High-tech U.S. farm machines harvest Big Data, reap privacy worries
April 09, 2014 at 19:48 PM EDT
MOLINE, Ill., April 9 (Reuters) - Steps away from a replica of the revolutionary 1837 steel plow at tractor company John Deere's headquarters sits a combine as big as a tank and packed with computer wizardry that harvests huge volumes of valuable data as it gathers crops.