If you already own a smartphone, you're probably figuring out all the things this electronic gadget can replace. If you don't own one and are wondering why these phones are so popular, here's a list of things you can get rid of once you buy one.

Someone pointed out to me, thanks to personal experience, that the all-in-one solution can also be the total loss if the the phone is lost or broken.

A word to the wise, back-up the important stuff, practice some basic math with a pencil and paper and always keep a good working flashlight in the glovebox.

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