It's how they determined popularity and relev france email list ance with PageRank and I think Twitter's data is merely the next evolution. Just yesterday, they launched their own URL shortening service (I think this was more to get data, but it's also possible it was a pre-emptive PR strike against bit.ly, who launched their PRO service just a day later). Google's not going to just take raw number of tweets or re-tweets. I think we're already seeing the relevance and reputation calculations in their decisions of which tweets and sources to show in the real-time results, and I expect that algorithms/metrics like PageRank, TrustRank, etc.

will find their way into how Google uses the real-time data. Today, SEOs want to turn tweets into links so they can get SEO benefit. My feeling is that tweets are going to carry their own weight in helping pages rank in the not-too-distant future. #3 - Personalized Search is Here to Stay Unlike real-time's temporal nature in the results, I think personalized search is here for the long haul. Google released their "permanent" personalization of results last week, and Bing released their own just this week.