"For example, this is what Computerworld's Web site looked like
in 1997, what Google looked like in 1998 and what CNN looked like
"The Wayback Machine houses 85 billion Web pages archived for
more than a dozen years, which amounts to three petabytes of data,
or about 150 times the content of the Library of Congress. Only
five years ago, the Wayback Machine contained about 30 billion Web
pages. It is expected to continue to grow by 100TB of data per
month now that it's live."