Taking charge - opening your own network

Some years ago, expectations on FON were great. It's still there - and I am one of the greatful users. However, when travelling here in Sweden - and elsewhere - I very seldomly find any FON spots.
But internet is full of initiatives - here's one that lets you join a group that opens their personal wlan network to other users in the group: http://ipredia.se/wiki/Huvudsida