Mark Cuban asks if phones will replace laptops, and speculates on how this might be possible: wireless keyboards and monitors designed to interact with the little processor on your phone.
Of course, this is not an entirely new direction, and it makes total sense for those who mostly use their computers for communication, office software, and web surfing. (It makes less sense for resource-intensive applications.) Indications are that the phone and desktop will continue to converge, especially given that Nokia's dipping its toe into the laptop business. Android is also migrating to netbooks. Look for more of this in 2009-2010.