Navizon is a peer-to-pear GPS positioning system which triangulates cell tower and Wi-Fi signals to help users navigate their way through cities around the globe. Users of GPS devices can share their data and synchronize it so it’s made available to all members of the network. This way those without GPS devices can reap the benefits as well. The Navizon software is completely free to download. It can be used for finding your way through the suburbs, for social networking, for moblogging, for geotagging, or simply for kicks. If you haven’t got a GPS device you can purchase Navizon’s Virtual GPS for $19.99 and thereby gain access to network data; you’ll also benefit from the buddy tracker, local search, and geotags. Those who contribute their own data to Navizon can earn cash rewards. For each Wi-Fi point and cell tower logged you’ll get points that can eventually be turned in for cash.
iPhone users can use Navizon via iBricker or through the zip file. If you haven’t got a phone you can turn your PC into a navigation system with Navizon desktop.
Navizon.com In Their Own Words
“Navizon is a software-only wireless positioning system that triangulates signals broadcasted from Wi-Fi access points and Cellular towers to help the users find their way in most major metropolitan areas worldwide.
The Navizon network is based on a collaborative database. Members with a GPS device can use Navizon to map the Wi-Fi and cellular landscape in their neighborhoods. Once they synchronize their data, it is made available to all the other users of the network. This way, users who don’t have a GPS device can benefit from a positioning system. And it’s free for personal use!”
Why Navizon.com It Might Be A Killer
Navizon solves that nagging problem of urban GPS blockage. It makes GPS work even in the most impossible of situations. Another cool feature is that even the GPS-less can use Navizon and get the same benefits as their richer counterparts. The cash rewards make things even more interesting.
Some Questions About Navizon.com
How well does this work? Does it have enough users to make it work for those without GPS? 
