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Describes Sony's entry into the home video-game market and its strategy for gaining market share. A rewritten version of an earlier case.

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Before taking competitive action, managers must anticipate the actions of their competitors. This can only be accomplished by performing thorough competitor analysis.

Outlines the events leading up to the Sega's launch of its 32-bit console named Saturn.

Tells the story of Nintendo's revival of the home video game industry in the mid-1980s and its dominance of the market in the late 1980s and early 1990s. Strategic issues addressed include the creation of value by sparking dormant demand and the capture of value relative to other players in the industry including competitors, buyers, suppliers, and complementors. This is part of a case series examining the competitive dynamics in the home video game industry from 1970 into the new millennium. A rewritten version of an earlier case.

Tells the story of the rise and fall of Atari Corp., the dominant player in arcade and home video games in the 1970s and early 1980s. During this period, Atari grew from a $500 initial investment into a $2 billion in revenues per year enterprise, becoming the fastest growing company in the history of the United States. The wild ride came to a crashing halt in 1983, however, when the bottom dropped out of the video game market, partly as a result of Atari's actions (or inaction). This is part of a case series examining the competitive dynamics in the home video game industry from 1970 into the new millennium. A rewritten version of an earlier case.

Provides a rigorous description of the economic dynamics that may produce inherent advantages for large and/or first-mover firms within an industry, as well as those factors that may result in disadvantages for such leading firms. The leader advantages discussed include both size advantages, such as economies of scale and scope, network effects, and learning effect, as well as timing advantages, such as preemption, reputation effects, buyer switching costs, and patents or institutional barriers. The leader disadvantages analyzed include pioneering costs, demand uncertainty, technological uncertainty, and incumbent inertia. Throughout the note, the experiences of Intel Corp., the world's largest manufacturer of semiconductors, are used to provide specific examples of the causes and consequences of leader advantages and disadvantages.

Describes the launch of Sega's 16-bit Genesis console in 1988 and its effect on competitor Nintendo. A rewritten version of an earlier case.

Discusses the emerging role of the Internet in the health care industry and describes the strategy of WebMD in this new "ehealth" space. Issues include technology strategy, industry transformation, competition in turbulent environments, and strategic alliances.