GetGlue

a social networking website and mobile app for television fans. Users "check into" the shows, movies and sports that they consumed using a website, a mobile website, or a mobile app. https://en.wikipedia.org/wiki/Tvtag

launched 2010

2012 supposed to be acquired by Viggle, but Viggle failed to get the funding

2013 acquired by iTV

2014 renamed tvtag, then shut down entirely