Now if you’ve been following iPhone news at all, you’ll know that one of the most sorely missing features of Apple’s all-in-one device is built-in GPS for real-time navigation with the GoogleMaps application. However, fear not, for there is now a suitable solution to this problem.
Navizon is a company that offers P2P wireless positioning via cell towers and WiFi connections for devices that are lacking a GPS module. Just last month, they released a version of the application for the iPhone, giving users a viable GPS solution to use in conjunction with GoogleMaps.
An important point to note, however, is that it is not as accurate as true GPS. According to those who have tested it, it can be as far off as a city block, or even fail to give a position at all in more remote areas. [http://iphone.macworld.com]
Despite this, it still has a relatively sleek and easy to use interface, and works well over a WiFi connection. It should suit the needs of a basic user, and is easier and less expensive than buying and carrying around a Bluetooth GPS module.