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Sgt_Kickaxe - 1:40 am on Mar 24, 2012 (gmt 0)
It's going to come down to webmasters embracing the +1 button because if we don't the general public will not see it everywhere and will not adopt it and/or replace facebook with Google+. Who has time for both? Google is turning the screws on it as hard as they can, even offering "special" search results if you embrace S.P.Y. world.
As for being a datamine? Absolutely, you can't even get a static version of their +1 button because they want a javascript file to load and collect user data. Facebook and Twitter both provide a static button option...