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After Yahoo database expert Jeremy Zawodny announced he was leaving the company, a Hacker News commenter speculated that he'd go work for Twitter. "A few months ago Twitter may have been interesting, mostly for the technical challenges," Zawodny responded. "But now I'd rather hack on FriendFeed." FriendFeed, the latest fixation of the Web set, has a redeeming quality for hardcore geeks: The mounds of useless yet constantly updated personal trivia it aggregates from Flickr, Twitter, and other narcissism-enabling Web services makes for one heck of a database to keep online.