This is very cool, and in my opinion, a realization of how I feel the interwebs should be working anyway... voluntary distribution of bandwidth, freedom from large ISPs... enables high-capacity short-run network connections to thrive. Exciting!

With regard to states wishing to suppress this sort of activity, I do have concerns that a behavioral signature will emerge that will be fairly telling... I suspect it may not be difficult to crack down on users. Nonetheless, the concept has potential for many reasons.