If your content is designated as Public User Content, you may choose to “allow re-use” of that content (in the case of videos that are designated Public User Content, you are required to allow re-use). When you allow re-use of your Public User Content, you hereby do and shall grant to each user of the Service a worldwide, non-exclusive license to use, store, reproduce, modify, create derivative works, communicate to the public, publish, publicly perform, publicly display, distribute and transmit your User Content, and portions thereof as permitted by the Prezi Services.