Irvine-based SpecificMEDIA this morning announced the launch of a new, contextual targeting solution this morning, focused on honing Internet ad presentation for advertisers. The firm said that its advertising network allows advertisers to purchase display or text ad on a network of more than 450 branded sites, with ability to target content categories, subcategories, and keywords. SpecificMEDIA said that its network reaches such brands as ABC, NBC, CBS, FOX, ESPN, and Major League Baseball.