Quote:
Any data, text, graphics, photographs and their selection and arrangement, and any other materials uploaded to the Service by you is “Your Data.” You represent and warrant that Your Data is original to you and that you exclusively own the rights to such content, including the right to grant all of the rights and licenses in these Terms without the Company incurring any third party obligations or liability arising out of its exercise of such rights and licenses. All of Your Data is your sole responsibility and the Company is not responsible for any material that you upload, post, or otherwise make available.
By uploading, distributing, transmitting or otherwise using Your Data with the Services, you grant to us a nonexclusive, transferable, royalty-free, sublicensable, and worldwide license to use Your Data, subject to the Company’s Privacy Policy.
I'm no copyright lawyer, but it sounds to me that this doesn't play very well with 3rd party content (modules, music, sound effects, etc.)