C H A P T E R 7
GPS and Google Maps
Of all the mobile web development I've done, I've had the most fun working with the Global Positioning System (GPS). GPS gives you as the developer a lot of power to connect the real world to a web site or mobile app that provides a connection to your user that is far more intimate than technologies such as user preferences or personalization.
The one thing about having both of these at your disposal is you can add incredibly powerful functionality with very little code. ...