A robotic arm serves a Campari Soda long drink at the Barney Cocktail Bar of the Swiss F&P Robotics company in Zurich, Switzerland, April 16, 2021. Barney is a bit different from your usual Swiss bartender. He is fully automated, mixes dozens of cocktails and even makes terrible jokes. REUTERS/Arnd Wiegmann

A robotic arm prepares a cappuccino at the Barney Barista Bar of the Swiss F&P Robotics company in Zurich, Switzerland, April 16, 2021. Developer F & P Robotics says it is seeing rising interest in "The Barney Bar" and hopes it will be a hit among hotels, bars and shopping centres looking to reduce human contact during and after the coronavirus pandemic. REUTERS/Arnd Wiegmann

Chief Sales Officer Gery Colombo looks on as a robotic arm prepares a glass of coke at the Barney Cocktail Bar of the Swiss F&P Robotics company in Zurich, Switzerland, April 16, 2021. Barney can mix 16 different spirits and eight different sodas for customers who place their orders via their mobile phones, as well as offering beer and prosecco. REUTERS/Arnd Wiegmann

A coke that has been served by a robotic arm is seen at the Barney Cocktail Bar of the Swiss F&P Robotics company in Zurich, Switzerland, April 16, 2021. The robot, who can disinfect his own robotic arm, tells them their drink is ready via a large video display above the bar. REUTERS/Arnd Wiegmann

An employee looks on as a robotic arm serves a Campari Soda long drink at the Barney Cocktail Bar of the Swiss F&P Robotics company in Zurich, Switzerland, April 16, 2021. A barista version making different coffees has also been developed. Both versions can be loaded up with conversations, so Barney can make "jokes" about being offered a role in the latest Terminator film, for example. REUTERS/Arnd Wiegmann

Chief Sales Officer Gery Colombo looks on as a robotic arm serves a coke at the Barney Cocktail Bar of the Swiss F&P Robotics company in Zurich, Switzerland, April 16, 2021. REUTERS/Arnd Wiegmann