Grey’s Anatomy fans can download a free iPad app that lets them interact while watching the show and lets Nielsen (the company that developed it) track your viewing habits. The app syncs with a show’s audio watermark, a code embedded into the audio track, and provides special content. For example, during a scene in the OR, an image may appear in the lower third of the screen with a poll asking viewers what they think will happen next. The app also includes bios, quizzes, games and can be integrated with Facebook and Twitter allowing viewers to interact with fellow fans online.
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