What is a netbook? And will they rule the world?

If you've seen the little Asus Eee pup computer that was out just before Christmas last year in Australia, then you've seen a netbook.  Smaller than a standard laptop, with more limited functions, and thus cheaper, they are finding a ready market which will likely include schools.  David Flynn had an informative article, Mighty Mouse: will netbooks rule the world? on them in the Sydney Morning Herald recently.