Compare the two mapping systems. As you move around one map, the other moves also. This site also contains a search as provided by our very own Dr. Neil.
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Facebook Friends Map
Google Maps via PHP-MySQL Tutorial
Ruby Geocoding Library
Make your own Google map
Perl Wrapper for Google Maps API
APIs, mashups and code. Because the world's your programmable oyster.
Executive Editor, ProgrammableWeb. Author, Map Scripting 101. Lover, APIs.