Smart sports equipment turns phones into coaches[ Fri, 28 Nov 2014 09:01:40 EST ]There's a new crop of tools to calculate the speed of a pitch, the strength of a putt, the arch of a basketball toss and the quality of a serve. They aren't for professional ballplayers or touring golfers. These pro-level gadgets are coming for casual sports, from pick-up games to little league.
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