How big is 100 terabytes? Kahle, who serves as archive director and president of Alexa Internet, a wholly-owned subsidiary of Amazon.com, says it's about five times as large as the Library of Congress, with its 20 million books. They are using 100 terabytes for the Wayback Machine (Internet Archive) and O'Reilly has an article on how it works.

The archive is fun to cruise but still has some holes. Here's what my homepage looked like in 1997, complete with spinning head. Or the early, early years of CNET.

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