TELEPHONE TECHNOLOGY

We'll look at the different telephone technologies that enable us to easily communicate. Learn about Skype and Vonage, caller ID, fiber optics and more.
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If I put my smartphone in an armband or pocket while I run, can it overheat?

Smartphones can get a little hot when they're engaging in some heavy activity. But can that and their owners' exercise push them over the edge and make them overheat?

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