Cheap computing still isn't cheap enough, says Eric Brewer, founder of Web-search company Inktomi. Brewer heads the University of California, Berkeley-based Technology and Infrastructure for Emerging Regions project.

Is Moore's Law letting us down?
Even a hundred-dollar computer is too much for billions of people. The bigger problem is that we design technologies for the First World, then hand them down and hope they're useful. A lot of times they're not.