People walk around aimlessly, chatting with friends, talking on smart phones, heading off to work.

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Should we avoid talking on cell phones, place our beds far away from electric outlets, or stop using CFL light bulbs?

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Gyms are noisy enough, but with patrons talking on cell phones and blaring MP3 players, the noise level can become a distraction -- not to mention that fiddling with gadgets can create a safety problem.

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On the ride to the airport, we were all on our phones talking.

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Because of the current difficulties of exchanging HD voice calls between carrier networks, in order to get the highest fidelity, two people would have to be using HD voice-enabled phones and talking on the same network.

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