When you submit or post any material (including any photos or videos) via the Site, you grant us,and anyone authorized by us, a royalty-free, perpetual, irrevocable, non-exclusive, unrestricted,worldwide license to use, copy, modify, transmit, create derivative works from, distribute, and/orpublicly perform or display such material, in whole or in part, in any manner or medium (whether nowknown or hereafter developed), for any purpose that we choose.