As singular households and twin income households increase, and the society becomes aged, a multimedia surely enlarges, which meets needs of people such as convenience, safety, amusement, stability and low prices. The technology which can realize such a multimedia society is represented by advanced CPU, image data compressing process, high-speed telecommunication networks and large-amount of wireless process. In two or three years to come, a multimedia is expected to considerably respond to such technology. Some products where new technology is incorporated will be on sale this year and next year. Such a multimedia promises great help to homes or housekeeping, for example, shopping service at homes, games which many people or people who are in distance, can participate into at the same time, portable information terminal devices.
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