iPhone: The Web In Your Pocket Introduced: 2007
What It Does: This über-gizmo makes phone calls, surfs the Web, handles e-mail and plays music and movies with aplomb.
Why It's Great: The creepy thing is how well the software powering the phone--which is based on Apple's OS X desktop operating system--swaps between handling a phone call one moment, viewing a movie another and surfing the Web the next. It shouldn't work, but it does.
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