While I was at CES last January, I remember seeing a single machine near the bathrooms. It was a Coca-Cola machine with a small touch screen, and had quite a line to it. In retrospect, I wished I had waited in line to see it up close. I did not stop there for two reasons: I had doubts that the soda was free and I have spent too much time analyzing things to an article.

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I do not remember the company that made the machine, but if I had to take a guess, I would have to say about Samsung. The company has recently worked with Kraft Foods to create a new type of vending machine with a 46-inch touch screen LCD panel.