Useless robot waitstaff force the closure of two restaurants in China

We've built robots that can walk, talk, play incredibly deep board games, and even run hotels just like us, but there's apparently one human skill the machines have yet to master -- pouring drinks. Chinese chain Heweilai soon found out that robots can't be trusted with simple restaurant tasks after it bought several $7,000 units to serve at waiting staff in three of its locations. Two of the restaurants were forced to close after the robots' uselessness was discovered, with the third only remain...