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Flying helicopter drone waiters deployed to deliver food and drink to customers

Anti-collision algorithms have been programmed into the system to enable operators to control a whole swarm of helicopter drones flying in formation in a constrained environment."We want to fly the drones high enough above head room. Eventually when we deploy them permanently, we're going to set flight paths that are not above the customers, but following the natural paths that the waiters take to see to customers," Chia explained."It can't just be safe, it has to look safe. So the drones are not going to fly over the customers' heads. We're going to run a couple of focus groups before we launch, using some of our loyal customers, and there will be many more test flights. We don't want to rush it, the R&D has to be done properly."