Gowalla co-founder and CEO Josh Williams is heading to the annual SXSW music, technology and arts festival in Austin, Texas this year to do something he’s already done — launch a location-based social networking app. One with the same name and core concept as the original, too. Gowalla made its debut in 2009 in Austin … Continue reading Gowalla returns to see if location-based networking is ready for its mainstream moment