TweetAdder Version 3.0 and all prior versions of TweetAdder will no long be available or supported as of 4/26/2013.
All current TweetAdder users will be required to upgrade to the new version of TweetAdder 4.0 by May, 2013. As a reminder, TweetAdder users must comply with Twitter’s Terms of Service.
We are excited about working with Twitter and delivering an innovative solution for businesses and individuals to manage their accounts. TweetAdder 4.0 has been designed to comply with all of Twitter’s Terms of Service.
Read Entire Post.. http://www.tweetadder.com/tweetadder-4-0-announcement