Though moribund today, for decades Usenet was the paper of record for the online world, and its hundreds of millions of “newsgroup” postings chronicle everything from the birth of the web to the rise of Microsoft, as well as more trivial matters.

In February 2001, Google rescued that history when it acquired the New York-based Deja.com, and with it a Usenet archive going back to 1995.

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Flash forward nearly eight years, and visiting Google Groups is like touring ancient ruins.  —Kevin Poulsen, Wired