On the topic of coffee making robots, the Mayfair shopping center in Victoria has one in the hallway. If I remember correctly I think it also asks for a tip. Following the standard principle that I only tip for table service, obviously the AI was disappointed but understood. If the AI running the robot recognizes repeat customer and tries to make small talk after time it may ear a tip.
The other interesting one is the pizza making robot in the Columbus airport. Opened a few months ago. The robot is from Canada, it was manufactured in London, Ontario and is an export to the US.
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