Navizon (click on the link and register for free)

Earn money by logging wifiaccespoints and GSM ant.

This program is used to monitor and log all gsm antennas and wifi acces points. By logging them yourself you get some points for it. offcourse it will not make you rich, but when you drive frequent you can earn easily 20-40 dollars a month extra. Requirements are a phone with GPS, and wifi. Below a picture of a payment... to prove they really pay!!! :D

screenshots:

click above on HTCdrivers.com image to download