THR's 2012 Digital Power 50

Iskold, 38, gets social TV. His New York-based GetGlue website and mobile app is like FourSquare for TV: Users "check in" -- that is, announce they're watching a particular show (or movie or song) via the mobile app or site and can share their check-ins, ratings and reviews on Twitter and Facebook. Users checked in 100 million times in 2011. Seventy-five broadcast and 10 movie studios are working with GetGlue to promote thier shows and reward fans with exclusive offers and stickers.

PHOTOS: THR's 2012 Digital Power 50