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Re:Confused in Class? There's an App for that by sparknlaunch12 on Wednesday May 02, 2012 @12:19PM (#3919843)
Really like this. Has wider application than the classroom. Think gathering market/customer feedback to a new advertisement or TV show.

This was being used before the smartphone, so imagine similar products exist. However your metrics look meaningful.

Re:Confused in Class? There's an App for that by OzzyB on Wednesday May 02, 2012 @12:28PM (#3919884)
For reference, Quick Tally[1], has been operating a service along these lines for over a decade or more.

It isn't web-based, and IIRC they offer/sell a voting widget to TV producers that can be given to audience members to vote with.

Worthy of a "web 2.0/iOS" disruption me thinks...

[1]http://www.quicktally.com/

P.S. Well done OP, that's a great concept and nicely (MVP?) executed.