PowerPoint Presentation Slide 1

World Wide Web

• Between 22 and 800 million sites– less than half indexed
• Main search engines:
• Google (500 m page estimate)
• Alta Vista294)
• Yahoo
• Iwon,
• Northern Light
• Fast

Industry Structure

• No one owner of Internet
• ISP providers route through a tangled web of other providers
• One dominant PC software manufacturer: Microsoft ( Internet Explorer)
• Decade long anti trust suit settled out of court
• Like AT&T, US Department of Justice concerned about dominant market power, and predatory competition
• Until 1990s, little competition between telephones and cable companies: now starting
• Late 1990s a wave of Stock Speculation and large scale mergers for dot com sector just before its crash
• AOL ( which owns Netscape) tookover Time Warner: sign of new technology surpassing old
• Emergence of little known Netscapes of Power