It's a three-pound Linux laptop running simple software that's designed for easy web surfing and communicating, perfect for kids. These folks are making a huge effort to drive the cost of computer access down for children around the world, and their goal is to get to the $100 laptop point before long. For now, each donated XO laptop costs $200. If you go with the G1G1 offer, $200 of your $399 is a tax-deductible donation. For all U.S. donors who participate, T-Mobile is offering a year of free hotspot access.