By Mina Kimes
February 15 2008
Fortune Small Business
ALLENTOWN, N.J. (FORTUNE Small Business) -- As Heidi Lemack-Beck rides her horse Jazzmine around the arena at Rhythm & Blues Stables in Allentown, N.J., six pairs of electronic eyes watch every move of these skilled competitors. Heidi quickens the pace of the 16-year-old mare from a trot to a canter, and the cameras swivel to track them - or rather to track the cracker-sized RFID tag stuck to the top of Heidi's helmet.
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