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Chances are, whether you call it this or not, you’ve participated in some type of Social TV activity. This trend has taken off in recent years, as viewers turn to social media and online tools to discuss television shows and live events. In addition to the major social networks, like Twitter, working to promote social interaction around TV shows, several start-ups, such as GetGlue and Zeebox, have created mobile applications allowing users to connect around whatever shows they are watching.

Many in the entertainment, technology, and social media industries are watching this trend closely right now, so here’s what you need to know about what’s happening in the social TV space.