View from the Top: Video telephony

Most people living today do not remember a time before radio, television, and telephones. High school students cannot recall a time before personal computers, and kids entering first grade this September will not remember a time before mobile phones.

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<p><a href="http://www.physorg.com/news5717.html">View from the Top: Video telephony</a></p> <p>Most people living today do not remember a time before radio, television, and telephones. High school students cannot recall a time before personal computers, and kids entering first grade this September will not remember a time before mobile phones. </p>