That might explain why they are using an unmodified coffee machine, with a robot in front of it: it preserves the theatre. From an efficiency viewpoint, it's g

That might explain why they are using an unmodified coffee machine, with a robot in front of it: it preserves the theatre. From an efficiency viewpoint, it's got to be better to have a single machine that just makes coffee, rather a machine to make coffee and a machine to drive the coffee machine. I do think there is a market for Heath Robinson / Rube Goldberg style vending machines that produce a product, but also produce a show to go with it.