Text anyone's twitter username to 203-403-NAME (203-403-6263) and instantly get a vcard for them that you can easily import into your phone address book.
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flightwise (formerly fboweb.com)
Lottery Results on Cell Phone
Yahoo! Search API Tutorial
Python for SMS and Voice using BT API
RFacebook Ruby Gem
Java Library for Facebook
Facebook Developer Toolkit MVC Add-on
Official Facebook PHP Client Library
APIs, mashups and code. Because the world's your programmable oyster.
Executive Editor, ProgrammableWeb. Author, Map Scripting 101. Lover, APIs.