Random thoughts: WMANs, WLANs, PDAs, and cell phone noise pollution

By C.J. Mathias, Farpoint Group |  Mobile & Wireless

Finally, have you ever wondered why people on cell phones tend to talk so loudly? I was on a bus from New York to Boston last week (yes, a bus -- much better than flying), and the guy behind me yakked all the way home at the top of his lungs. I know many people think this behavior is the result of poor cellular connections, but I don't think so -- it's the result of no feedback in the earpiece of most cell phones. Try this yourself -- can you hear yourself on your cell phone when you talk? Probably not. So, why do the phone manufacturers not provide what most landline phones do by default? Because they're trying to conserve battery power, and this might even be construed to be a legitimate tradeoff. So, keep in mind that you probably don't need to talk so loudly on your cell phone; they can hear you just fine at the other end. You should also keep in mind that those around you may be learning a lot more about your affairs than you'd care to reveal.

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