> There is a third link, the Internet itself, which in a tragedy of
> the commons situation lacks sufficient bandwidth.
Thank goodness Push didn't catch on. But part of the reason it didn't catch on is that /businesses/ have a smaller commons, and when businesses found their internal networks were swamped because they had push installed on browsers, they banned push.
(Push: Smart browsers that try to guess what you might want and download it before you ask for it.)