Who would have thought touring San Diego foodies around Tijuana would become big business? Not many people, including Derrik Chinn who runs TJ tour company Turista Libre. But after two years of word-of-mouth marketing and local blog buzz, the former SignOnSanDiego reporter was quoted in a New York Post article on the burgeoning Tijuana food scene. Then The New Yorker called about a similar story. And The Washington Post. Today, his weekend tours through hipster brew pubs, kitschy boutiques, and world-class restaurants are packed with San Diegans looking to learn about the local flavor of TJ, far off the beaten path of Avenida Revolution.