Twitter has recently released an update to its terms of service that directly impact users who choose automation as a solution. These terms have specific implications for services such as dlvr.it. The specific term that is of concern is that which disallows posting the same content to the same Twitter account, even if it's over a course of time.
To keep our users' accounts safe, we have opted to discontinue the EverQueue option for Twitter. We are continuing to work on solutions for our Twitter users, so stay tuned for more information!