Coming next to Google (NSDQ: GOOG) search: A “social search” feature, which plays up content written by friends when users make a query on the search engine. The feature identifies a searchers’ social connections by analyzing their Gmail contacts and their Google profile. At the Web 2.0 conference, Google VP Marissa Mayer (pictured) announced that the company would include real-time Tweets in its search results—and also demonstrated the “social search” feature, which will launch in the next few weeks in Google Labs. A reader asked for a video of the demo—and here it is, after the jump: