https://www.reuters.com/article/us-alibaba-hotels-robots/at-alibabas-futuristic-hotel-robots-deliver-towels-and-mix-cocktails-idUSKCN1PG21W >Gliding silently through Alibaba Group Holding Ltd's futuristic "FlyZoo" hotel, black disc-shaped robots about a metre in height deliver food and drop off fresh towels.