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The talking cellphone detector

Talking cellphone detector

Because having some box shout at people during a movie is definitely less annoying than hearing a cellphone ring, there's now a talking cellphone detector that can broadcast a pre-recorded message that "reminds" people to switch off their handsets whenever it detects a wireless signal—or in the case of sensitive areas where they're prohibited entirely, forces people to hand their phones over.

[Via TRFJ]