Los Angeles-based SocialAnnex, a startup helping online retailers to use social media to spur sales, has scored a round of funding from a who's who of Southern California technology angels, the firm said Tuesday. According to SocialAnnex, Kamran Pourzanjani of PriceGrabber.com, Brian S. Lee of Legalzoom.com and ShoeDazzle, Jody Mulkey of Shopzilla, and Lawrence Ng of Oversee.net have all invested in the site. Financial details of the investment were not disclosed. As part of the funding, the firm said that Pourzanjani has joined the company's advisory board. Social Annex was founded in 2010.