Robot waiters are nothing new. They are being tested at many restaurants to serve customers. A cafe in Japan is using OriHime-D robot waiters to serve people with physical disabilities. These robots stand 1.2 meter tall, weighing 20kg. They transmit video and audio over the internet.
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分身ロボットが働くカフェ、今秋オープン
The Japan Times has more info about these robot waiters here.
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