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| What are the advantages of web conferencing to my company? - Peter Leigh |
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| Mobile phone polyphonic ringtones. - Philip Nicosia |
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| Antennas have been around for a long time. Before the birth of cable television, homes would need it ... - Robert Thatcher |
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| A communications satellite is an artificial satellite stationed in space for the purposes of telecom ... - Jason Gluckman |
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| Recently, Voice over Internet Protocol(VoIP) pops up as one of the hottest technologies in the world ... - Claudia Walters |
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