Google launched +1 [Social Search]

Today, Google launched +1, a button that users can click on blue links in Google Search results to say, in Google marketing's words, "this is something you should check out."
When you click the button, Google tells your friends, family, and the rest of the world that you recommended the link.

Read more: http://www.businessinsider.com/with-1-google-is-going-right-after-facebook-and-twitter-2011-3?utm_source=Triggermail&utm_medium=email&utm_term=Business+Insider+Select&utm_campaign=BI_Select_033011#ixzz1I7jRgRDw