Prof. Lessig, with a projection of the backchan.nl questions behind him.

Involve the audience

backchan.nl is tool for involving audiences in presentations by letting them suggest questions and vote on each other's questions. backchan.nl is intended for conference or event organizers who want a new way to solicit questions from the audience and make better use of question and answer time.

backchan.nl has been used at many events including Futures of Entertainment 2, 3, and 4, ROFLCON 2008 + 2010, Free Culture 2008 + 2010, and many other events.

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