Mashup

=Mashup= A combination, or "mashing" together of two or more web services or software tools to create a new service. For example, here are some of the many mashups that include Google maps:
 * http://usbridgemap.com/
 * http://www.swisstrains.ch/ [realtime]
 * http://www.aboutairportparking.com
 * http://gmapsflighttracker.com/
 * http://www.gmap-pedometer.com/
 * Many, many more

There is even a weblog devoted to all the Google Maps mashups: http://googlemapsmania.blogspot.com/