Summary: Farmers have been able to drive tractors hands-free for years. Now, there's even more technology to help with planting and harvesting. CNET's Shara Tibken visited John Deere's test farm in Iowa.
Summary: Farmers have been able to drive tractors hands-free for years. Now, there's even more technology to help with planting and harvesting. CNET's Shara Tibken visited John Deere's test farm in Iowa.