I have a cellphone built into my watch. People now take this type of technology for granted, but not so long ago it was firmly in the realm of science fiction. The transition from fantasy to reality was far from the flip of a switch. The amount of time, money, talent and effort required to put a telephone on my wrist spanned far beyond any one product development cycle. The people who crossed a wristwatch with a cellphone worked hard for several years to make it happen, but technology development really occurs on a timescale of decades. While the last…
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