There was some talk recently about Twitter blocking consecutive tweets that are identical. With some of the reasoning that duplicate tweets are a violation of the terms of service.
Paul 2009/10/28 Greg <gregory.av...@gmail.com> > > Hello, > > I have an application that sends out a Tweet when a user Authorizes > the Application and asks a Question to a particular user. Does Twitter > block continous sending out of a Tweet within a time period? I am > doing testing of the application and whenever I try to do a Update > Status - it returns the ID of the last Tweet that I made from the > account. Did my Consumer Key/Consumer Key get blocked, or will Twitter > not allow the same tweet to be posted in a certain time period? > > Greg