Whether or not it's legal in your state to hold a handset while driving, we can all agree that doing so isn't too smart. But the alternative--relying on your phone's chintzy speakerphone--isn't much better: Sound quality on your end is awful, and the same goes for the person on the other end. Similarly, unless you're sitting at your desk and focusing entirely on your phone, chances are you'd rather have both of your hands free during calls.
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It's been an exciting year for cellphones: Apple came out with the iPhone; Google and its partners announced a new mobile platform called Android; and as always, phone makers unleashed a horde of better, faster, and more capable handsets.