1. Robot
The article is a robot equipped with artificial intelligence, a camera, a speaker, a monitor and a communication function to be used mainly at home; the each robot has following functions: identifying individuals by voiceprint recognition and face recognition, monitoring elderly people and sick people, assisting conversations with those people and external communication via e-mails, telephone operations and social networks, assisting reading, assisting taking pictures, assisting remote control of home electric appliances, managing and reporting various kinds of information and schedules, playing music, or the like.