Google has released a new +1 button similar to Facebook�s �Like� button, according to a Mashable post and a SearchEngineLand post . The new feature will allow Google users to, essentially, vote for pages and videos on the web and those votes will be displayed publicly. The new feature has not yet been released to all searchers but users with a Google account can choose to join the experiment at Google Experimental. In the new promo video, Google says that when you click on the +1 button, �you�re telling your friends, your family, and the rest of the world: �This is something you should check out.�� Matt Cutts was quoted in the SearchEngineLand post by Danny Sullivan: � The primary benefit is that search gets better. It gets better in the user interface immediately, and we�ll look at it as a potential signal to improve search quality as well. I find social search extremely useful, especially with the recent updates. This change continues the evolution of soc...