[stevewilhelm]

If you are in Europe, take a look at the FON service. [1]

[1] http://maps.fon.com/en

[icebraining]

+1. Here in Portugal we're covered in FON hotspots, thanks to our biggest ISP including it in their routers. Buying a Fonera router was the best $40 I've ever spent - I know have Wifi on almost every populated street of the country.