Farmer Bir Virk tapped the iPad mounted beside his tractor’s steering wheel and switched the vehicle to automatic mode. The machine moved forward and began harvesting potatoes on its own in the fields of Karnal, a city in northern India.Farmer Bir Virk tapped the iPad mounted beside his tractor’s steering wheel and switched the vehicle to automatic mode. The machine moved forward and began harvesting potatoes on its own in the fields of Karnal, a city in northern India.Hi Tech & Innovation[#item_full_content]