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The telecom industry is evolving, but dominated by giants.

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The latest in emergency tech: pics

The Association of Public-Safety Communications Officials Australasia conference gives vendors a chance to show off the latest and greatest tech for keeping the public safe and dealing with emergency situations. ZDNet Australia took a sneak peak at some of the tech on show.

March 12, 2012 by

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The evolution of telephones

From Alexander Graham Bell's liquid transmitter to smartphones, this CBS News photo gallery shows the evolution of telephones.

February 10, 2012 by CBS News Staff

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