http://wikiscanner.virgil.gr/
... 35 million wikipedia edits, all indexed by IP address, so you can see which organizations are making which edits.
For instance, it's good to know that somebody within the CIA is editing the article about the musical episode of Buffy, "Once More, with Feeling". Their contribution?
*Buffy sings, "I've got a theory, it doesn't matter" but then quickly adds "as long as we're together," revealing both the depression and the (revealed in this episode) cause.
