Guess the monster AdSense partner for Google is MySpace. According to a report just released, they are making over $30 million a month in ad revenue - 30-40% of which should be AdSense. Even Jeremy Shoemaker would be impressed by those numbers!
Loren Baker over at SearchEngineJournal has done a really thorough job analysing MySpace's use of Google ads.
Well worth the read. Nice effort Loren!