With 2014 shaping up to be the year of wearable computing, vendors are releasing new smartwatches at a rapid clip. In a way, we've been a long time getting here. It was in 1946 that the world saw the first smartwatch, | Dick Tracy's 2-Way Wrist Radio. The comic-strip detective used his smartwatch as a mobile phone -- voice only -- until 1964, when it was upgraded to a 2-Way Wrist TV.
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