This site is a basic showcase of Twitters new OAuth authentication method. Everything is saved in sessions. If you want to start over clear sessions.
Get the code powering this at http://github.com/abraham/twitteroauth
Read the documentation at https://docs.google.com/View?docID=dcf2dzzs_2339fzbfsf4
Click on the link to go to twitter to authorize your account.
https://twitter.com/oauth/authorize?oauth_token=