App allows i-phone to be used as tape measure

http://blog.wired.com/gadgets/2008/09/five-iphone-app.html

An app for the apple i-phone uses the GPS feature to turn the i-phone into a tape measure (for lengths at least 30′ long).    This would be usable for quick investigations of building sites by architects.  

I-phone app enhances gas mileage

http://blog.wired.com/cars/2008/09/introducing-ipe.html

An i-phone app is available that uses the i-phones built in accelerometer to tell you how much gas you are using, how much carbon your car is emiting in real time.

Trapster

http://www.trapster.com/

A free web2.0 service that combines gps with user data to alert drivers to the location of police speed traps and other information.  Works with the I-phone !  Better living through technology.   Don’t Speed !