"By losing the free and open Internet, and free and open devices to interact with it - and even such ordinary things as physical books and music media - we reduce the full scope of both markets and civilization.
But that's hard to see when the walled gardens are so rich with short-term benefits."
We explore two possible explanations: private provision of public goods and generalized reciprocity. We investigate a particular form of private incentives to share content: redistributing traffic in the network to the advantage of the sharing peer.