Coffee-delivering drone could give you a caffeine fix whenever you need it

Your next barista could be a coffee-delivering drone. IBM has filed a patent for an unmanned aerial vehicle that's capable of dropping off a cup of coffee to employees or café customers before they even ask for one. The drone would use sensors to determine when someone wants a drink, by looking for specific hand gestures, or by assessing their'pre-determined cognitive state.' IBM has filed a patent for an unmanned aerial vehicle that's capable of dropping off a cup of coffee to employees or café customers before they even ask for one It would then fly over to the person, with the drink attached to the device via a drink holder, such as a plastic bag, and deliver the coffee. In one example, coffee is shown as being dispensed directly from the drone and into a person's mug.