What's new in social media this week?  Check it out: Google may be in talks to buy Groupon ' then again, there was a rumor earlier this year that Yahoo was going to buy the website, which turned out to be false. Diaspora, the new 'Facebook alternative,'? is sending out invites to a select group of people for testing.  The website has raised tens of thousands of dollars in funding. Thanks to a privacy backlash at Facebook, Diaspora has been pitching that it is a more private alternative and allows you more control over who sees your information. Facebook founder, Chris Hughes, has launched Jumo ' a social network that helps like-minded people work together for social causes. ReSearch.ly, the Twitter search engine, give brands insight into micro Twitter communities by allowing users to search tweets around specified keywords. Once the search begins, tweets are shown in the application and the user can filter the stream by several factors. In the spirit of the holiday season, this post would not be complete without a mention of NoradSanta! This year people everywhere can monitor Santa's flight courtesy of Norad and Google Maps.