Monday, August 24, 2020

Just A Story Essays - Frank Sinatra, Grammy Legend Award

Only A Story Albert viewed through the window of his fourth floor loft as she emptied some goods from the rear of her Oldsmobile. He moaned, and left the window to water the plant he had named after her. In the event that he rushed, he could advance down to the letter drop while she was on her way into the structure, as he considered doing each Wednesday when she did her shopping for food, yet the idea of addressing her made him queasy and his knees trembled wildly. Today around evening time would have been simply the night, he told. He would ask her to supper. He would simply stroll up the steps and ring her doorbell, and bring her daisies. Not long before eight o'clock, in light of the fact that he realized she would be home. She was consistently home for the most recent scene of Murder, She Wrote, as he knew in light of the fact that he could hear the signature tune blasting through his paper-slight roof, each Wednesday at eight o'clock. He pressed his khakis trying to look simply ideal for the event, and ran a search over the non-existing hair on his head. He could hear her strolling up the steps, and Albert envisioned her popping popcorn for her preferred network show, and cleaning up from a difficult day at the coffeehouse. He had never really been inside the bistro, yet rather watched her work from outside the huge window. He observed the various clients inside ? development laborers on mid-day breaks, agents sitting alone with the New York Times, and the women who play Bridge and parade their new nail trims ? all tasting cappuccinos that she had poured, and eating up French Toast that she had nimbly conveyed to the table. Today around evening time was his opportunity to address her like the men who drink her espresso, just this would be extraordinary. All things considered, he had even picked her daisies. He trembled simply pondering it, and contemplated how he ought to present himself. He strolled into his room to look through his storage room for the ideal shirt to wear when eight o'clock drew nearer. As the sun set, Albert could hear Frank Sinatra playing from her condo above and endeavored to quiet his nerves by gazing out the window as the stars showed up in the sky. Perhaps he would prepare treats for her to burn through a smidgen of time ? chocolate chip, similar to the ones he had smelled consuming from her condo a day or two ago. He emptied flour into a bowl and chimed in with Sinatra. He mixed a pack of chocolate chips into the bowl to the mood of the music and contemplated how glad she'd be. He split an egg into the bowl and out of nowhere, he not, at this point heard the music or strides from above. As he kept on gazing out the window, he saw two figures connecting arms as they strolled through the parking garage. His eyes enlarged and he out of nowhere acknowledged why the music had quit playing. There she was, in the parking garage, with a man in a suit, and she in a blue dress with her long hair stuck up in the back. They started to tango under the stars, among the vehicles in the part, and the man created a red rose from his coat pocket. Albert took a gander at the daisies he had picked only for her, and cleaned a tear from his cheek. He kept on looking out the window as they continued to move in the quietness of the night, and gave no consideration to the egg yolk that trickled down his recently pressed khakis. Exploratory writing

Saturday, August 22, 2020

The Philosophy of the Buddhists Free Essays

I will give you a brief look into the universe of the Buddha and the way of thinking that he used to rehearse and lecture. He was conceived as Siddhartha Gautama in the year 563 BC in Lumbini a spot arranged close to the Indo †Nepal fringe. His dad was the leader of a trivial realm of the Sakya clans. We will compose a custom article test on The Philosophy of the Buddhists or on the other hand any comparable point just for you Request Now At first Siddhartha drove the lavish existence of a ruler in their royal residence at Kapilavastu, along these lines, he was hitched to Yasodhara. He had been living in conjugal rapture for a long time, when he saw an amazingly wiped out individual, a slight elderly person, the cadaver of a perished individual, a body being incinerated and a sadhu or sacred man. This majorly affected Siddhartha, who understood that the typical stages in a person’s life were mature age, affliction and inevitably passing. In the year 528 BC, Siddhartha encountered the Great Enlightenment under the Bodhi tree in Gaya, subsequently, he was known as Buddha or the edified one. His appeals are known as dhamma. He achieved Nirvana at eighty years old, in the year 483 BC (Siddhartha Gautama). The Dhamma comprises of four honorable realities. The first of them expresses that life implies languishing. It is basic to acknowledge and acknowledge that you need to experience enduring so as to live on the planet. The world and human instinct are defective. As per the Majjhima †Nikaya, Sutta 63, the pattern of birth and demise are persistent and people need to encounter mature age, distress, languishment, hopelessness, anguish and despondency. There are joys, for example, simplicity, solace and satisfaction. Thus from birth to death, people experience both anguish and bliss. This serves to render the existence design defective and fragmented. The world is basically undesirable and deprived of flawlessness. The subsequent truth is that sufferings are brought about by wants and somewhat because of obliviousness. Connection towards fleeting things and numbness of the way that those things are transitory causes languishing. Also, enduring is brought about by want, energy, zest, and needing for riches and notoriety. A significant statute in this setting is that craving causes obliviousness and bad habit †versa (L. Ross, 2007). The third honorable truth is with respect to reality of end. Sufferings can be maintained a strategic distance from and the total end of enduring can be accomplished through nirodha or the unmaking of exotic wanting and calculated connection. So as to end sufferings, one ought to recognize their root and evacuate them. This can be accomplished through dispassion towards material things, which are transient in nature. As it were, enduring can be expelled by understanding the reason for torment and afterward evacuating the very reason. This is a ceaseless procedure, which inevitably comes full circle in Nirvana or that preeminent condition of being that is liberated from all concerns, buildings, creations and the individual sense of self (The Four Noble Truths). The fourth Noble truth is reality of the way, which speaks to the by means of media between the boundaries of plainness and guilty pleasure. There is an eight †overlay way by which a human can accomplish Nirvana and end sufferings for all time. Along these lines includes right information, right determination, right discourse, right lead, right employment, right exertion, right care and right contemplation. This way expels all sufferings from life and stretches out over numerous lifetimes of a human (L. Ross, 2007). Thusly, Peter, you need to follow this eight overlap way. The Buddha systematized a devout request with five fundamental statutes. These statutes require abstention from slaughtering others, taking, guilty pleasure in unchaste exercises and the utilization of mixed beverages. These basic statutes are compulsory for each Buddhist and Peter you need to make them a fundamental piece of your life. The Buddha had lectured that the act of these statutes brought about Nirvana. Buddha would not expound on the term Nirvana. As per Buddhism, both presence and nonexistence are good for nothing. This way of thinking is named as the Fourfold Negation. It is the basic idea on which the Buddhist way of thinking is based (L. Ross, 2007). Some significant and fundamental philosophical teachings in Buddhism are first, passing nature; which expresses that nothing exists for quite a while and that things don't have substance or span. Besides, every second is another presence and is prevailing by another new presence and their interconnection brings about the following second. The subsequent convention is that of relative presence, which expresses that nothing has nature and character. In disengagement, things are shunya, which implies vacancy or a vacuum. Presence is along these lines totally relative and the main unconditioned state is that of Nirvana. The third significant teaching is that there is no atman or soul. As indicated by Buddhism, people comprise of a body, sentiments, thoughts, impressions and flashing awareness. Fourth, Buddhism doesn't acknowledge the presence of God, Brahman or some other extreme substance known to mankind. Fifth, everything has a reason, which is subject to a past flashing presence. 6th, karma, is just a causation and rebirth is brought about by the activities of individuals previously. Subsequently, karma is the impact of past activities (L. Ross, 2007). Another significant idea of Buddhism is void. A significant philosophical oddity of Buddhism is that structure is vacancy and void is structure. It is the mantra of Buddhism, whose source is the Prajna Paramita Hridaya Sutra or the Heart Sutra. There are confusions about this idea of vacancy; western researchers characterized it as skepticism. Skepticism expresses that the truth is obscure, that nothing exists, that nothing significant can be depicted about the world. Notwithstanding, the Buddhist idea of void is not at all like skepticism, since it expresses that a definitive the truth is understandable. It additionally expresses that there is a clear ontological reason for wonders. Further, people can convey and get information on the world. Sunyata or vacancy can't be translated as nothingness. At the end of the day, vacancy isn't non †presence and it is likewise non †reality (Emptiness). Give extraordinary consideration to these musings, acclimatize them and think upon them. Your preceptor, Bodhidharma Karmapang. References Emptiness. (n. d. ). Recovered September 11, 2007, from http://www. thebigview. com/buddhism/void. html L. Ross, K. (2007). THE BASIC TEACHINGS OF BUDDHISM. Recovered September 11, 2007, from http://www. friesian. com/buddhism. htm Siddhartha Gautama. (n. d. ). Recovered September 9, 2007, from The Big view: http://www. thebigview. com/buddhism/buddhasresume. html The Four Noble Truths. (n. d. ). Recovered September 11, 2007, from http://www. thebigview. com/buddhism/fourtruths. html The most effective method to refer to The Philosophy of the Buddhists, Papers

Saturday, July 18, 2020

Substance Intoxication Delirium

Substance Intoxication Delirium Addiction Drug Use Print Substance Intoxication Delirium By Elizabeth Hartney, BSc., MSc., MA, PhD Elizabeth Hartney, BSc, MSc, MA, PhD is a psychologist, professor, and Director of the Centre for Health Leadership and Research at Royal Roads University, Canada. Learn about our editorial policy Elizabeth Hartney, BSc., MSc., MA, PhD Medically reviewed by Medically reviewed by Steven Gans, MD on August 05, 2016 Steven Gans, MD is board-certified in psychiatry and is an active supervisor, teacher, and mentor at Massachusetts General Hospital. Learn about our Medical Review Board Steven Gans, MD Updated on December 13, 2019 Gael Vega / Eye Em / Getty Images More in Addiction Drug Use Cocaine Heroin Marijuana Meth Ecstasy/MDMA Hallucinogens Opioids Prescription Medications Alcohol Use Addictive Behaviors Nicotine Use Coping and Recovery Substance Intoxication Delirium is the diagnostic name for alcohol or drug-induced delirium, which occurs during intoxication from a psychoactive substance. Unlike the transient disturbances in attention and focus that are normal and that everyone experiences from time to time when tired, or even the temporary loss of focus and attention that affects people the who are under the influence of alcohol or drugs, substance intoxication delirium is considerably worse and lasts for much longer. For some people, it involves a complete inability to attend to the external environment. Symptoms of Delirium Delirium is a change in someones state of consciousness, which significantly disrupts their attention, awareness, and ability to process information about the world around them. They become less able to direct and focus their attention, keep their attention focused on something over time, or shift their attention from one thing to another. Their attention can wander so dramatically that questions need to be repeated for the person to be able to focus long enough to answer, or they may continue to focus on giving the answer to a previous question when a new question has been asked. They can easily be distracted by things that have nothing to do with what is being asked. In severe cases of delirium, they may be so disoriented that they might not know where they are or even who they are. As well as the change in attention and focus, there is at least one other area of mental functioning that is affected. The person might not be able to remember properly, and in particular, they may lose their memory for events that have just recently happened. It could be orientation, and they may have particular trouble knowing where they are and the time and date. Other mental functions that may be affected are learning, language, or problems with perception, which can even take the form of hallucinations. When physicians give a diagnosis of substance intoxication delirium, they check to make sure that the delirium is not part of another condition that affected the person before becoming intoxicated from alcohol or drugs. A condition like this could be well-established in the persons medical record, or it might be a condition that has been emerging for a while. This is because there are different physical causes of delirium, and if the symptoms were there before the substance withdrawal, it isnt the substance/medication intoxication type of delirium. And although a person can eventually fall into a coma, at that point, delirium would not be diagnosed. How Soon After Taking the Drug Can Delirium be Induced? In some cases, delirium can occur during intoxication, soon after the substance has been consumed and has taken effect. Even after the drug has worn off, sometimes delirium can continue, and there is even another diagnosis called substance withdrawal delirium, which means that the episode of delirium occurs after the person has discontinued using the substance, and is experiencing withdrawal. Whether the delirium starts during intoxication or withdrawal, it will usually subside within hours or days of ceasing to take the drug, although in withdrawal, delirium can sometimes last for weeks. Delirium usually develops over a fairly short period of time, ranging from a few hours to a few days. The severity of the disturbance in orientation to the environment and thought processes changes a fair bit during the course of delirium and is usually worse towards night-time when there is less going on around the person to help keep them oriented. Which Drugs Cause Substance/Medication Intoxication Delirium? A wide variety of psychoactive substances can cause substance intoxication delirium, including: Alcohol intoxication deliriumCannabis intoxication deliriumPhencyclidine intoxication deliriumOther hallucinogen intoxication deliriumInhalant intoxication deliriumOpioid intoxication deliriumSedative intoxication deliriumHypnotic intoxication deliriumAnxiolytic intoxication deliriumAmphetamine intoxication deliriumOther stimulant intoxication deliriumCocaine intoxication deliriumOther substance intoxication deliriumUnknown substance intoxication delirium When people develop symptoms of delirium after consuming alcohol or another drug, they require immediate medical attention. If someone seems to be in this state, call 911 immediately, and let the paramedics know what they have taken.

Thursday, May 21, 2020

Categories of Hurricanes

The Saffir-Simpson Hurricane Scale sets categories for the relative strength of hurricanes that may impact the United States based on the sustained wind speed. The scale places the storms into one of five categories. Since the 1990s, only wind speed has been used to categorize hurricanes. To estimate wind speed, the wind and wind gusts are measured over some period of time (typically one minute) and are then averaged together. The result is the highest average wind observed within a weather event.   Another measurement of weather is the barometric pressure, which is the weight of the atmosphere on any given surface. Falling pressure indicates a storm, while rising pressure usually means the weather is improving.   Category 1 Hurricane A hurricane labeled Category 1 has a  maximum sustained wind speed  of 74–95 miles per hour (mph), making it the weakest category. When the sustained wind speed drops below 74 mph, the storm is downgraded from a hurricane to a tropical storm. Although weak by hurricane standards, a Category 1 hurricanes winds are dangerous and will cause damage. Such damage could include: Roof, gutter, and siding damage to framed homesDowned power linesSnapped tree branches and uprooted trees In a Category 1 hurricane, coastal storm surge reaches 3–5 feet and the barometric pressure is approximately 980 millibars. Examples of Category 1 hurricanes include Hurricane Lili in 2002 in Louisiana and Hurricane Gaston, which hit South Carolina in 2004. Category 2 Hurricane When the maximum sustained wind speed is 96–110 mph, a hurricane is called a Category 2. The winds are considered extremely dangerous and will cause extensive damage, such as: Major roof and siding damage to framed homesMajor power outages that could last days to weeksMany uprooted trees and blocked roads Coastal storm surge reaches 6–8 feet and the barometric pressure is approximately 979–965 millibars. Hurricane Arthur, which hit North Carolina in 2014, was a Category 2 hurricane. Category 3 Hurricane Category 3 and above are considered major hurricanes. The maximum sustained wind speed is 111–129 mph. Damage from this category of hurricane is devastating: Mobile homes destroyed or heavily damagedMajor damage to framed homesMany uprooted trees and blocked roadsComplete power outages and unavailability of water for several days to weeks Coastal storm surge reaches 9–12 feet and the barometric pressure is approximately 964–945 millibars. Hurricane Katrina, which struck Louisiana in 2005, is one of the most devastating storms in U.S. history, causing an estimated $100 billion in damage. It was rated Category 3 when it made landfall.   Category 4 Hurricane With a maximum sustained wind speed of 130–156 mph, a Category 4 hurricane can result in catastrophic damage: Most mobile homes destroyedFramed homes destroyedHomes built to withstand hurricane-force winds sustain significant roof damageMost trees snapped or uprooted and roads blockedElectrical poles downed and outages lasting several last weeks to months Coastal storm surge reaches 13–18 feet and the barometric pressure is approximately 944–920 millibars. The deadly Galveston, Texas hurricane of 1900 was a Category 4 storm that killed an estimated  6,000 to 8,000 people. A more recent example is Hurricane Harvey, which made landfall at San Josà © Island, Texas, in 2017. Hurricane Irma was a Category 4 storm when it hit Florida in 2017, although it was a Category 5 when it struck Puerto Rico. Category 5 Hurricane The most catastrophic of all hurricanes, a Category 5 has a maximum sustained wind speed of 157 mph or higher. Damage can be so severe that most of the area hit  by such a storm could be uninhabitable for weeks or even months. Coastal storm surge reaches more than 18 feet and the barometric pressure is below 920 millibars. Only three Category 5 hurricanes have struck the mainland United States since records began: The Labor Day Hurricane of 1935 in the Florida KeysHurricane Camille in 1969 near the mouth of the Mississippi RiverHurricane Andrew in 1992 in Florida In 2017, Hurricane Maria was a Category 5 when it devastated Dominica and a Category 4 in Puerto Rico, making it the worst disaster in those islands histories. When Hurricane Maria hit the mainland U.S., it had weakened to a Category 3.

Wednesday, May 6, 2020

Corporate Fraud - 975 Words

Corporate FraudÂ…when you hear those words the first, most recent incident, many think of is The Enron Scandal. This same scandal produced the Public Company Accounting Reform and Investor Protection Act of 2002. This much needed act created the Public Company Accounting Oversight Board under the Security Exchange Commission s supervision. This board sets accounting standards and investigates Certified Public Accountants and companies to ensure they are following the guidelines set forth. This board has also been given the authorization to fine, suspend and recommend criminal investigations in the event CPA s and their firms violate the standards. (Lindstrom) To understand the stringency of this Act is to recognize what brought it†¦show more content†¦(Lindstrom) Hopefully the congressional meetings and hearings will cause other potential Enron/Arthur Anderson-followers to choose the legal path of doing business. Observers believe that it was not so much that the executives opted to mishandle their company, but that the scandal went without notice for so long by those people and groups which are set in place to detect and prevent dealings such as this. Auditors, internal/external controls, government regulators, accountants, etc., all failed to recognize the deception. Because the government was somewhat at fault for this, it is hard to make a decision as a whole, if the government should be the one to regulate or oversee corporate finances. Obviously, by what was seen with Enron alone, no matter how many committees, boards, groups, or agencies are involved, there is always a way to get around the legal system. The government needs to revert back to regulating certain entities (such as utilities, petroleum, etc.) before tackling the entire corporate financial world. This would cut in half the amount of companies they would have to deal. Monopolization of industries gives the companies too much power. They can charge whatever price they want and the consumer has no right but to pay it. It is comforting to be able to choose which telephone company you want to use and also what car you want to purchase. Why shouldn t you be able to choose what gas company or electricShow MoreRelatedCorporate Fraud Is A Big Part Of The Fraud1967 Words   |  8 Pagesall forms of fraud. There are a vast amount of fraud types out in the world today that some of us may not have even realized yet. With the immense amount of fraud that is occurring, how could so many people get away with committing it? The answer is there is too much fraud occurring for anyone to look into the smaller fraudulent acts. There are specifically two types of frauds that occur that focus a lot on the business aspect, Corporate and small business fraud. 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Volcanic and Seismic Events Are Major Pieces of Evidence Towards Free Essays

â€Å"Volcanic and seismic events are major pieces of evidence towards proving that the plate tectonic theory is valid† Discuss the extent to which you agree with this statement (40). The theory of plate tectonics explains the structure and motion of the Earth’s lithosphere. The theory states that the Earth’s crust is split into large sections called tectonic plates, and these move relative to one another creating boundaries at which the plates converge, diverge or move past each other. We will write a custom essay sample on Volcanic and Seismic Events Are Major Pieces of Evidence Towards or any similar topic only for you Order Now These plates are either continental or oceanic and are powered by convection currents, which is the circular movement of magma that comes from within the mantle. These currents are powered by the core, which heats the magma, causing it to rise, cool and fall back down. This circular motion causes the plates, which float on the mantle, to move. In 1912, Alfred Wegener, a German meteorologist, was the first man to state that the continents were once joined in a super continent called Pangaea, conversely he couldn’t explain why and what happened to cause the plates to move apart. He based his theory on the extraordinary fit of the South American and African continent coastlines. Notably the eastern edge of South America and the western edge of Africa showed very similar geological features suggesting that at some point in the Earth’s history the landmasses were joined together. Another indicator that the continents were once distributed differently was geological evidence of glaciations in India – it is unlikely that glaciers could ever reach such low latitudes, but this problem can easily be explained by the theory of continental drift. Fossil distribution also provided some of the earliest evidence for plate tectonics. Interestingly, plant and animal fossils were found on the matching coastlines of South America and Africa. These are now widely separated by the Atlantic Ocean, therefore he reasoned that is physically impossible for most of these organisms to have swum or have been transported across the wide oceans. From this he suggested that the plates were once connected. Unfortunately, at the time of Wegner’s work many of the geophysical tools that are used today did not exist making the theory much more difficult to support. Since the original theory in 1912, newer evidence has appeared which supports the theory. In 1962 Hess studied the age of rocks around the mid-Atlantic ridge. He discovered that the newest rocks were closest to the ridge and the oldest were towards the USA and Caribbean. He therefore reasoned that the earth’s crust was expanding along the oceanic ridges, so it must be shrinking elsewhere. According to Hess, the Atlantic Ocean was expanding while the Pacific Ocean was shrinking. The old oceanic crust was consumed in the trenches causing new magma to rise and erupt along the spreading ridges to form a new crust. He explained why the earth doesn’t get bigger with sea floor spreading and why there is so little sediment accumulation on the ocean floor, and why oceanic rocks are so much younger than continental ones. Paleomagnetism is one of the strongest pieces of evidence for plate tectonic theory and was developed to convince scientists of the theories validity. Basalt lava forms volcanoes when it rises to the surface, cools and then forms land. When new crust is formed certain minerals align themselves with the Earth’s magnetic field. Fascinatingly, new technology has shown that the magnetic field of the Earth is known to reverse every few hundred thousand years. So this implies new material is constantly being produced and the sea floor is spreading. However, as the Earth is not changing in size, material is being destroyed in other areas which are called subduction zones, and the position of the Earth’s crust must be constantly changing. Seismic activity can also tell us a great deal about plate tectonics. Plotting the locations of large earthquakes allows us to see where they most frequently occur. Earthquakes are caused by the movement of tectonic plates. The plates move past each other which causes friction causing pressure to build up resulting in sudden jolts. This only happens on plate boundaries meaning areas that lie on them experience the most intense earthquakes. The fact that earthquakes appear in connected lines as opposed to clusters is good evidence for the theory of global plate tectonics. Volcanic events are also useful as they provide good evidence for the theory of plate tectonics. Similarly to earthquakes, plotting the locations of active volcanoes on a map of the world will also be useful as it will show a similar pattern. The three main places where volcanoes are created are at subduction zones, constructive plate boundaries and in hotspots, with around 75% of the world’s volcanoes being located on the ‘Pacific Ring of Fire’. The area where two plates converge is called a subduction zone, here one plate is pushed underneath the other due to differing in density. This results in magma rising up to form volcanoes or volcanic island arcs. At constructive plate boundaries, new material is created by magma rising through the crack. The fact that volcanoes in certain areas have different types of eruption provides good evidence for plate tectonic theory. All the above reasons suggest that the theory is valid. However, there are some anomalies which go against the theory. Not all volcanoes occur on plate boundaries, some occur on hotspots which are areas where the mantle is particularly hot, causing it to rise and create volcanoes on the crust above. This suggests that plate tectonics theory may not be valid as volcanoes can exist without the theory being correct. Hawaii is a notable example of an active hotspot – the islands are volcanic yet lie in the middle of the Pacific plate. It is part of a chain of extinct volcanic islands in the Pacific Ocean which decrease in both age and size as you move north-west. Since the hotspot is created by the underlying mantle this suggests that the crust is moving over this hotspot meaning the volcanoes eventually become extinct and eroded away. Since Wegener’s first theory, there is now a great deal of evidence to support the theory of plate tectonics. Seismic and volcanic events can provide lots of evidence to support the theory, although much of it requires tools which were not available when the theory was first developed such as accurate methods of mapping earthquakes. This made it difficult to prove the theory of plate tectonics as there were no hard facts. Although others may disagree, there are large amounts of evidence to prove the theory and so in my opinion the theory is a valid method. How to cite Volcanic and Seismic Events Are Major Pieces of Evidence Towards, Essay examples

Sunday, April 26, 2020

Microsoft Essays (1139 words) - Monopoly, , Term Papers

Microsoft The current Microsoft antitrust case, still in progress as this review is being written, has been both hailed and condemned as the most important antitrust action of the coming century. Its potential significance has been compared to that of the Supreme Court's 1911 Standard Oil decision, which not only applied for the first time the trust-busting power latent in the Sherman Antitrust Act of 1890 to break up John D. Rockefeller's Standard Oil Company, but of at least equal importance enunciated the rule of reason on which judicial interpretation of the Sherman Act continues to be based. While none of this conference volume's contributors develops this comparison, readers may come away from the book feeling that it is apt.; As noted in Lenard's introduction and overview, there was general agreement among the conferees that the Microsoft case did not indicate any need for revision of existing antitrust laws. Yet the book identifies a paradox. Today's computer industry has so many eleme nts of natural monopoly--notably network effects and first-mover advantages--that the market will not work well if left to itself, yet it is far too complicated and fast moving to be regulated effectively. Antitrust is the only feasible policy option, but unless applied with skill and discretion, it may do more harm than good. In particular, consumer welfare is more likely to be enhanced by policy initiatives aimed at keeping the industry open to the introduction of major new technologies that might challenge the dominance of incumbents than by policies seeking to promote price competition among existing firms employing established technologies.; The paper by Michael L. Katz and Carl Shapiro discusses the fundamental economics of software markets, focusing, not surprisingly, on network effects, but also identifying and discussing the effects of the high set-up costs and low--even zero--marginal costs of software, the durability of software systems, and their rapid technological chan ge. This paper's treatment of network effects is sharply challenged in Timothy J. Muris' comment, which argues that network effects comprise a model for which very few, if any, valid empirical examples exist.; Janusz A. Ordover and Robert D. Willig confront the basic question of whether or not there is any role for antitrust in high-tech markets. After reviewing competing arguments, they conclude that antitrust may be crucial in protecting long-run competition in innovation and that this should be its primary objective. Their particular concern is with bottlenecks such as Microsoft's monopoly control of the operating system market, which is a crucial component of a broader system of computer use, including applications such as word processing and access to the Internet via browsers. They propose a three-pronged test to ascertain whether monopoly control of such a bottleneck exists and if so whether it is being used to exclude or restrain potential competitors from other markets in t he system: i.e., are short-run profits being sacrificed by exclusionary tactics in the hope of long-run recoupment through expansion of the initial monopoly to systemically related markets. In his comment, Lawrence J. White maintains that the antitrust problems raised by Microsoft's tactics are neither as new nor complex as Ordover and Willig suggest, but rather mirror one of the earliest issues in antitrust history--single railroad ownership and control of a bottleneck facility such as a monopolized stretch of track within a networked system of rail transportation.; Timothy F. Bresnahan utilizes an intriguing life cycle punctuated equilibrium model to analyze the nature of technological competition in the computer market. Monopolies such as Microsoft's monopoly of microcomputer operating systems and Intel's of microprocessor chips may arise from first mover advantages in introducing a major new innovation, from patenting of such a system, or from network dynamic economies of scale. Whatever its source, the monopoly may persist for over a decade--aeons in the PC business (p. 158) in Bresnahan's words. The monopolist will constantly be challenged by potential entrants and must keep abreast of minor technological improvements, but has overwhelming advantages in maintaining its position, including strategic entry barriers. This should not be of great concern to antitrust enforcers, as users' switching costs are likely to outweigh the advantages of adopting new products incompatible with previous ones. However, occasionally these periods of stability will be shattered by quantum improvements