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tedster - 5:02 am on Jun 27, 2009 (gmt 0)
Twitter's service was also stumbling for a while (intermittently unavailable) as well as the TMZ servers at AOL where the original story broke. The TMZ server troubles must have made things difficult for all the search services to spider the story and get it listed.
From what I've read, Bing was quite a bit later than Google to show the story about Michael Jackson's death in their search results.