How to profit from the netbook boom

In January, I posted on netbooks -- paperback book-sized computers that now go for under $300. To me, the netbook looked like a powerful growth trend that was boosting sales at makers by as much as 55 percent, even as the rest of the PC industry shrank 12 percent. A total of 11 million netbooks were sold in 2008 and 22 million are expected to fly off the shelves in 2009.

Netbooks are popular because many people spend a lot of time dealing with online services and want a cheap, light device they can use on the go.