With respect to Public User Content, you hereby do and shall grant to Prezi (and its successors, assignees, and third-party service providers) a worldwide, perpetual, non-exclusive, royalty-free, fully paid, sublicensable (through multiple tiers), and transferable license to use, host, store, reproduce, modify, create derivative works, communicate to the public, publish, publicly perform, publicly display, distribute and transmit the Public User Content for any purpose, including without limitation (1) for the purpose of providing you, and those with whom you have shared Public User Content, including but not limited to your presentations, videos (including the public), with the Service;