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It is in South Africa this vending machine offers a free drink but it has to be at the machine and have the GPS turned on, since the machine always connected via wifi and gps locator that the user can recognize is there a sentence and sent to twitter with drink or desirable its position in the machine and drops the request. More and more vending machines to interact with users, vendors have realized that it is a potential business market with plenty to explore and though they are doing ...
What do you think of this machine that offers a drink through twitter?
images not mine