Have you heard of Spanish wi-fi startup FON yet? Well, you’re going to. Their business model revolves around getting people to share their broadband connection with other users, and to this end they are offering to sell new joiners a ‘social’ wi-fi router for just $5. The list of their investors is pretty impressive, but a lot of analysts are saying this will be a non-starter. I guess we’ll have to just wait and see. In the meantime, though, I could use an affordable router…