Social Sountracker is an an iPhone app made by ABC that's right now in beta form that schedules reminders for shows, then sign in to provide instant feedback of their viewing experience with five emoticons. The emoticons indicate laughing, booing, "awww", clapping, and being surprised. When providing feedback, users will hear sounds corresponding to the emoticon. Also the app allows users to experience shows with Facebook friends (of course). The idea is to use the emoticons to provide feedback on programming while making the viewing experience a social event.
ABC Creates App for Providing Feedback on Television Programming with Emoticons (Video)