The sport of tennis is no stranger to incorporating new technologies -- from the electronic line judges of the early '70s to today's Hawk-Eye system with its multi-camera array. These days, players at all levels have a variety of high-tech tools to h...via Engadget RSS Feed http://www.engadget.com/2015/02/28/10-high-tech-gadgets-that-will-improve-your-tennis-game/?ncid=rss_truncated
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