Using your phone's GPS to guide you down city streets can sometimes be a harrowing experience, especially in signal blackspots (or when there's a mild breeze). Fortunately, there's a fancy new solution -- for some of you at least. High Fidelity Position is an app specifically for Samsung Mango phones that supercharges the GPS module with two upgrades to help positioning. The first leverages the on-board accelerometer and compass to help the Windows 7 device orient itself on congested city streets. Second is that it will now access
