ADMIT IT: unless you get cornered by a grizzly bear on your summer vacation or go into labor while trekking across the Mojave Desert, there are few times in life when you really need a cell phone. More often than not, you're just chatting with a friend while stuck in rush-hour traffic or asking your wife what flavor ice cream she wants you to pick up at the grocery store. As handy as cell phones can be, for many consumers they're just a fun way to pass the time.
Now phonemakers want to make their wares even more entertaining by having...
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