Cafe X, the robotic barista, has proved to be an object lesson in how tricky it is to automate even simple-sounding service jobs.
Too much caffeine: While the robot can make coffee faster than a person, its creators learned that customers find the bot’s rapid movements … a little unsettling. Humans, it turns out, like it better when coffee is prepared at human speeds.
Smile and wave: The team behind Cafe X has spent time a lot of time perfecting the robot’s gestures and “personality quirks.” It now acknowledges customers when they place an order (always a plus), can swirl coffee around in the cup and peer into coffee containers, and waves when the order is complete.
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