Microsoft has launched So.cl, a social network, which was tested by Univ students in 2011. At the time facebook is going public, so.cl has had a quite launch. Company’s FUSE Labs has developed the site. This helps combine search with social network for the purpose of learning. It uses facebook login or windows login & also takes the name & picture from facebook for so.cl’s profile. Also one can post on so.cl & it won’t be posted on facebook. Share to facebook feature can be used to post to fb. So.cl uses bing search results & also the results are displayed. Recently bing has incorporated new features to search results with social data in the search results. Google has its own social networking site Google+. Facebook is still the king of social networking with more than 900 million members.