Built for simplicity, elegance, and extreme practicality, Speed is a GPS speedometer that uses the iPad’s location data to tell you how ... There are even some settings to adjust to magnetic north, ...
The crew from TabletMonsters inadvertently discovered that tethering a WiFi-only iPad 2 to an iPhone 4's data connection provides a GPS signal to the iPad. Nifty. But we wanted to know if it works ...