harrymcc writes: "Rumor has it that Apple is working on a smartwatch. The New York Times' Nick Bilton, who broke the news, and many other tech journalists, have brought up Dick Tracy's famous two- way wrist communicator in their coverage of it. That's not surprising--Tracy's watch always comes up in discussions of wearable communications gadgetry. And it has since 1947, shortly after the comic-strip cop first got his wrist radio. Over at TIME, I took a look at this seemingly indestrictible cultural touchstone."