Take a look at the designs for what could someday be the world's cheapest PC, and you may start to wish you were a third-grade child in Burundi. One Laptop Per Child (OLPC), MIT professor Nicholas Negroponte's non-profit effort aimed at putting cheap educational laptops into the hands of developing world schoolchildren, is working on an upgrade to its so-called XO computer, once known as the "hund
![The $75 Future Computer](https://cdn-ak-scissors.b.st-hatena.com/image/square/37441f333b8a05ede109e2c7fd98359e132ed38f/height=288;version=1;width=512/https%3A%2F%2Fimageio.forbes.com%2Fimages-forbes%2Fmedia%2F2009%2F12%2F22%2F1222_one-laptop-map_400x400.jpg%3Fformat%3Djpg%26height%3D900%26width%3D1600%26fit%3Dbounds)