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Vending machines aren't the simple pay-to-eat-junk food affairs that they used to be, and no other invention drives home that fact more than the ingenious RoboPutt vending machine.

For a cool $5, golf enthusiasts get the chance to practice their swing with computer assistance, instructional guidance and pro tips. Even more incredibly, the RoboPutt vending machine also lets users attach their own putters to the device at will and then store the data from their lesson onto a portable magnetic card that can be plugged in at other units around the globe.