FILE - This Nov. 2, 2010 file photo shows a sticker handed out to a voter on Election Day, in Waterville, Maine. Here's something most politicians can click the like button for: Facebook friends played a big role in getting hundreds of thousands of people to vote in 2010 who probably would have otherwise stayed home, a new scientific study claims. It provides scientific evidence showing the real world political power of social media. (AP Photo/Robert F. Bukaty, File)
