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By accepting this Agreement or using a Nintendo 3DS System or the Nintendo 3DS Service, you also grant to Nintendo a worldwide, royalty-free, irrevocable, perpetual, non-exclusive and fully sublicensable license to use, reproduce, modify, adapt, publish, translate, create derivative works from, distribute, perform and display your User Content in whole or in part and to incorporate your User Content in other works, in any form, media or technology now known or later developed, including for promotional or marketing purposes. (Chapter 1, Nintendo 3DS End User License Agreement)

http://www.defectivebydesign.org/nintendo