As a simple interface for people, we can think of the following system:

The information communication system which understands what people talk correctly, and automatically take appropriate actions to people and other machines based on the knowledge they obtained from what people talked.

At that time, it is very important from the viewpoint of stress-free communication that a machine understands what a person is talking immediately, and tell it to the other person correctly and immediately.

→　To establish a technology to give messages to network terminals by people's natural expressions, such as conversations, gestures, hand signals and body languages, even if it is not perfect and even if it is spoken in any different languages.