You hereby do and shall grant to the Organization 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 the Public User Content or Private User Content of your account. This license ends one year after you delete the presentation or your account is closed (either by you or by us), except to the extent that the content has been shared with others and they have not deleted it