FON: WiFi everywhere

Now there's an interesting project! FON aims to build a global WiFi community, based on a free community model. Everybody can join in (his ISP's terms permitting, which is an issue), sharing some of his bandwidth with other FON members (called Foneros) and thus obtaining the right to free usage of other FON access points worldwide. That is, if you're a Linus - a Bill does not need to share his bandwidth, but has to pay for access (that's obviously how the business modell works). Sounds like a very good idea, doesn't it. There's just two problems: You need software for your WLAN router, which is available only for a very limited number of routers, and evidently not for mine. And secondly, many ISPs (mine included) seem to prohibit sharing access ...