Uses Twitter as an interface to bring your social graph to bear, uses Fire Eagle for secure sharing of your location, and uses Upcoming for cross-correlating events and locations.
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Airline Toll Free Numbers
Google Maps API Official Blog
CPAN Perl for the 30Boxes API
Plus 1 Contest and Voting
jQuery Twitter API
PHP and jQuery for Twitter API
TwitterLand Ruby Gem
APIs, mashups and code. Because the world's your programmable oyster.
Executive Editor, ProgrammableWeb. Author, Map Scripting 101. Lover, APIs.