A smart toilet can perform multi-function operations such as massage, washing, warm air drying, and hydrotherapy spa treatments. [Photo/Guangzhou Daily]

An interactive washing machine developed by China's white goods maker Haier can identify the weight of the clothes, the water quality, and the concentration of the laundry detergent in a laundry load. It is designed to ensure that laundry is done without leaving any detergent residue behind. [Photo/Guangzhou Daily]