No change? Need tea? Just tweet

There was a Coke machine in Singapore that gave you a soda if you hugged it. In Argentina, they tried a machine that dispensed beer (!) if you tackled it (!!). Now a South African company has unveiled a vending machine that dispenses a cold bottle of iced tea — for the price of a tweet.

Just approach the wonderfully sci-fi named Bevmax 4-45, whip out your smartphone (or tablet) and send a tweet — any ol' tweet — containing the hashtag #BOStweet4T. In seconds, somehow, the machine figures out you're the one who sent it and, with a fanfare of gadgetry and a spooky synth voice, delivers your tea.

BOS teas are made with rooibos, a caffeine-free infusion made from a plant native to Africa.

Here's the crazy thing in action ...