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


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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