Guest Editors' Introduction: Expanding the Horizons of Location-Aware Computing

Watching the fast pace of technology growth firsthand is one of the most rewarding aspects of being a part of the computer industry. Ideas considered science fiction only a few years ago now appear in products. Today, thanks to technical progress on many fronts, digital location information is available to software applications running on many different mobile computing platforms. This new type of location-aware or location-based computing has made possible applications with the capability to sense their location and modify their settings, user interface, and functions accordingly.