*2011.01.07 13:54:26 python oauth oauth2 authentication 20110104
http://groups.google.com/group/foursquare-api?pli=1
http://groups.google.com/group/foursquare-api/web/five-things-you-should-know?_done=%2Fgroup%2Ffoursquare-api%3F
http://developer.foursquare.com/
http://developer.foursquare.com/docs/
http://developer.foursquare.com/docs/oauth.html
https://github.com/facebook/connect-js/
http://developer.foursquare.com/docs/overview.html
http://foursquare.com/apps/
http://www.google.com/search?sourceid=chrome&ie=UTF-8&q=OAuth
http://oauth.net/
http://oauth.net/2/
http://hueniverse.com/2010/05/introducing-oauth-2-0/
https://github.com/dgouldin/python-oauth2
http://oauth.net/documentation/getting-started/
http://www.sociallipstick.com/?p=239
http://hueniverse.com/2007/10/beginners-guide-to-oauth-part-i-overview/