The hardware looks awesome. Too bad it's very likely to be locked down so that it does not run GNU/Linux. :-(
Social "reading" community/application.
"In its noble mission to bring technology access to every child, One Laptop Per Child (OLPC) is planning a bizarre distribution tactic: XO-3 tablets will be airdropped into remote areas for kids to just pick up and start using, without instructions or people to guide them." - I don't believe that NN actually said this. But it would be pretty crazy if he did.