Vobile’s new TVSync tech uses your phone’s camera to track your TV

Imagine you want some extra information about a show you’re watching. Just hold your phone like you’re taking a picture of the TV set – and it will know immediately what’s on. This kind of video recognition technology is a key part of Vobile’s new second-screen platform.

Gowalla looks for relevance as a local travel guide

Gowalla, like many other check-in services, has had trouble keeping pace with Foursquare. But the location startup is relaunching its service with an eye toward becoming more of a city travel guide, downplaying the role of check-ins in favor of discovery, travel and storytelling.