Terms of use may change, so you should always check the most up-to-date terms of service. As of December 2016, Twitter’s Terms of Service state that you retain the rights to any content you post, you grant Twitter a “worldwide, non-exclusive, royalty-free license (with the right to sublicense) to use, copy, reproduce, process, adapt, modify, publish, transmit, display and distribute such Content in any and all media or distribution methods (now known or later developed). This license authorizes us to make your Content available to the rest of the world and to let others do the same.” In addition, the license includes the right for Twitter to make your content available to others for distribution.