A Java App: Where's the Nearest Java?
Cellphones that can figure out where they are can be useful in an emergency—such as the sudden onset of an uncontrollable caffeine craving. In this example, your cellphone determines your location using Assisted GPS, common in CDMA cellphone networks, and obtains directions to the nearest HotDrinks Café.

 

JUAN VALESCO/5W INFOGRAPHIC USA