CBC?s ?Over the Rainbow? allows audience to control on-air graphic

Canada's CBC is once again bushing the boundaries in social TV. Sunday night the network premiered Over the Rainbow a new show that "showcases aspiring Canadian performers as they vie for the leading role of Dorothy in Andrew Lloyd Webber's stage adaptation of The Wizard of Oz, opening this December at the Ed Mirvish Theatre, Toronto, ON." The network has launched a second screen app that's allowing viewers to take control of the main screen.

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