1. Given Google search market share (65-70% in USA) coupled with the likelihood that Google +1 will/do provide key signals to Google ranking algorithm, it is not all together surprising that publishers are taking note and acting, diving rapid +1 adoption. Though Facebook is driving more traffic on the Internet today than it used to, Google still dominates traffic generation to websites in English Speaking/US market. Bing integration of facebook data in its SERPs, data which Google does not have access to, is a key driver of Google +1 roll-out as Google continues to loose share to Bing. Twitter instant follow adoption rate may be influenced by dis-integration of Google/Twitter for powering Google Real Time Search.


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