Google's New Feature, "+1" button to search result

Google trying to launch new features similar to ““Like”” button of Facebook. Use the +1 button to publicly show what you like, agree with, or recommend on the web. The +1 button can appear in a variety of places, both on Google and on sites across the web.
More Information visit… Google +1 Button

Goog point, cooper4. There is already a discussion about this here: