Pat Miller explains how to surf the web, word process, email, do instant messaging and even make Internet phone calls all with a Nintendo DS.
Mind you, at least in the UK at £79 the DS is actually more expensive than an XO (the “one laptop per child“) would be (if we could buy one), and of course it lacks a keyboard. But doing all that on something that was designed to play simple games would certainly be good for one’s geek cred.