Using Ubuntu and Google Earth, Matt Perry have fun wardriving.
Read how to do it here
Wardriving is fun. Going around the neighborhood and mapping all the wireless networks may be nothing more than a geeky hobby but it can sure teach you alot. And viewing the results in Google Earth is icing on the cake.
Ive used NetStumbler on windows and this works great but since my computers at home are now nearly Microsoft-free, I had to relearn the process on Linux. It breaks down into a few easy steps: