Apple Hopes to Patent the Future of Shopping

Systems And Methods for Accessing Shopping Center Services Using a Portable Electronic Device.

This one seems to use your iDevice as a way to somewhat map out a shopping center. For example, see a mall's layout and look for shoes. The device can point you in the right direction, much like a GPS device would while driving.

The filing implies that it will help users find parking as well as stores that interest them. One of the coolest features is the ability to track friends who are shopping with you. This may even be great for when a couple wants to shop and the wife wants to look at what interests her while the husband goes to the stores he enjoys.