Google co-founder Sergey Brin made a surprise visit at Web 2.0 Summit and was interviewed on-stage by John Battelle. Brin talks Twitter, Bing, Android, the growing network of Google alums heading up other companies, the book settlement, his surprising lack of baseball knowledge, and Chrome for Mac, among other subjects. He points out that search ads were at the bottom of the barrel when Google started. They were considered the equivalent of remnant ads, but that Google’s success is due to seeing value where nobody else was looking.

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