Calculate the maximum overpressure / distance on the world’s first mobile nuclear blast mapper. For mere pennies, you now have the ability to visualize the terrible power of nuclear bombs from any position on the globe. Is $.99 too much for such awesome knowledge? Hell No! It's a Nuclear Blast Computer for crying out loud!
Access coarse location sources such as the cellular network database to determine an approximate phone location, where available. Malicious applications can use this to determine approximately where you are.