First, you'd have to buy and build a server for each ISP containing that content and support it when things go wrong. Next, it would have to be cheaper for the

First, you'd have to buy and build a server for each ISP containing that content and support it when things go wrong. Next, it would have to be cheaper for the ISP to host your server on their network than for them to upgrade their connections to the backbone to handle traffic to your site. If those two conditions are true, I am sure ISPs will accept your offer.