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Computers that are in a cellphone form factor, that when docked, turn into a fully featured computer.

Expect that come Windows 8, and maybe 10.8 if Apple can fix OS X.
 
Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_5 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8L1 Safari/6533.18.5)

Octo core phones. Duh.
:p
 
The Motorola Atrix does this. While very cool, it wasn't all that successful.

I'd argue that the only reason it wasn't hugely successful was because it was running Android. Give it a real desktop OS -Windows or OS X- and I think people would have thought more of it. At its current iteration, it's like asking why linux isn't dominant in the workplace (over Windows)
 
I think that American customers would be more excited by a reasonably-priced non-mandatory data plan (i.e. pre-paid options) rather than higher quality hardware.
 
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