content ownership
Latest stance: user retains rights
“Certain features of the Service may permit users to upload content to the Service, including videos, photographs, graphics, music tracks, text, icons, and other types of works (“ **User Content**”) and to publish User Content on the Service. **You retain any copyright and other proprietary rights that you may hold in the User Content that you post to the Service.** _Nevertheless, we need certain permission from you in order to provide the Service._”Open citation