CMCST), Liberty Media ( LINTA) and investment bank Allen & Co. are strategic partners in investment vehicle, dubbed the "sFund." "We're at the beginning of a new era for social Internet innovators who are re-imagining and re-inventing a Web of people and places, looking beyond documents and websites," said Kleiner Perkins partner John Doerr in a press release. "There's never been a better time than now to start a new social venture." Kleiner Perkins partner Bing Gordon, a former Electronic Arts ( ERTS) executive and a board member at Amazon and Zynga, will lead the initiative. In 2008, the firm lauched the iFund, a $200 million fund to invest in mobile app technology. --Written by Olivia Oran in New York. >To follow the writer on Twitter, go to http://twitter.com/Ozoran. >To submit a news tip, send an email to: email@example.com.