The fastest growth in IT and mobile communications is coming from devices that are small, simple, and above all, cheap.
Netbooks, simple portable computers that sell for less than $400, are the only technology sector set to post any significant growth in 2009. Gartner Dataquest, the research firm, expects sales to reach 21m units this year, up almost 80 per cent on 2008.

Digital Business: Connected lives 

