If popular, this robotic electric greens keeper may ultimately have a negative effect on green jobs creation, though the company contends it will allow golf course employees to do other tasks.

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The RG3 utilizes proprietary positioning tech that is said to go beyond GPS to do precision mowing without the aid of a pesky human operator.   A golf course superintendent programs in his specs, sets-up 4 bowling pin-sized beacons and the robot mower cuts the green with the same scary precision every time.  Hopefully, this is overkill for your suburban backyard.
more info @ precisepath.com