You hereby grant, and you represent and warrant that you have the right to grant, to Riiid a perpetual, irrevocable, non-exclusive, worldwide, transferable, royalty-free and fully paid right and license, with the right to sublicense, to reproduce, distribute, transmit, publicly perform, publicly display, digitally perform, modify, create derivative works of Riiid may only use such license ion order to operate, promote and improve the Service. </p> <p> </p> <p>