An interactive worldwide map and directory of hotels, airports and holiday destinations containing over 100,000 listings. Be sure to see their World Capitals Map with hovers that show flags of every country.
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flightwise (formerly fboweb.com)
Kayak Search AS3
Google Maps Hacking and Bookmarklets
Google Maps API Official Blog
Python 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.