'Tacocopter' Would Use Unmanned Aircraft, Smartphones, GPS For Lunch Delivery
So it's lunchtime. You feel a grumble in your stomach, and nothing sounds better than a nice taco. But you can't get away from the office, so you grab your smartphone and place an order. Sometime later ... a small VTOL UAV comes buzzing to your location with your order, drops it off, and flies away.