Los Angeles - Mark Elderkin, the founder of Gay.com and former president of gay media company PlanetOut, has launched the Gay Ad Network, a vertical online advertising network comprised of over 200 websites targeting the LGBT community. Launch partners include local gay newspapers, national gay magazines, gay content websites and gay social networking services, such as the Washington Blade; Genre Magazine; OutSports; Connexion.org; TheLWordOnline.com; and ProudParenting.com. The company will use online ad firm Adify's self-service ad platform for its offering.