You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract Otalvaro Media Nabs the Niche MTV Left Behind Online Reggaeton Hub Barrio 305 Catches Fire With Growing Audience By Gavin O'malley, Published on August 28, 2006 0 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Register Now Already a member? Log in.