Google says that’s something that its cofounders Larry Page and Sergey Brin wanted more than a system for ranking web pages. They really wanted a system to annotate pages across the web.
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GoogleSideWiki has the potential to build a global collaboration community, integrating SocialBookmarking, SocialAnnotation, Twitter, Facebook, Blogs. In this group we can put a special focus on how DiiGo and Google can produce synergies.