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[0] Docs.com [1] A partnership with Microsoft that allows Microsoft office docs to now be social with your Facebook friend [2] This can extend collaboration with your friends to the office environment [3] Unsure if this use case makes sense, are your friends those you want to collaborate with? This is a direct threat to Google Docs [4] 
Facebook and Microsoft are in bed, to team up against Google. Expect advertising based on social context to appear soon
Levi's Social Shopping: The Shape of sCRM Things To Come | Digital Intelligence Today
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