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Today’s dairy farm is a far cry from what ads and movies would have you believe. Cows go to robotic milking stations on their own, where they are identified, milked, and sent back out to the barn until the next milking. They are even fed by a Volkswagen-sized robot called the Vector. All this means a dairy farm of 200 cows can be easily run by four people. Bloomberg's Sam Grobart visited Sunny Glade Farm in Canada where robots handle most of the work and the cows like it just fine.