Photo: Video picture of the house sent to a mobile phone
As the Internet and mobile phone become widely used, information-communication technology has become common in our daily lives.
Figure above: Home Network
Broadband is used by more than 40% of households these days and IP phone and broadband TV have become easy to utilize. And as mobile phones work as portable access to the Internet lately, information-communication technology become a part of the essentials for social infrastructure.
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