not very clear

12. License to Your Content. In order to be able to offer you the use of our Websites and the Service, you are required to grant a license to Gaiam to use and distribute your Content. This enables us to permit other visitors to the site to view and share your Content, and to display your Content in other places within the Websites. Accordingly, by posting, displaying, publishing, transmitting, or otherwise making available (individually and collectively, "posting") any Content on or through our Websites or the Service, you hereby grant to Gaiam a non-exclusive (meaning you can license the Content to other parties as well), fully-paid, royalty-free, perpetual, irrevocable, worldwide license (including the right to sublicense) to use, copy, modify, adapt, translate, create derivative works, publicly perform, publicly display, store, reproduce, transmit, distribute, and otherwise make available such Content on and through our Websites, in print, or in any other format or media now known or hereafter invented, without any obligation of notification, compensation, attribution or consent. Notwithstanding the foregoing, we will not use your Content to create commercial products such as books. For purposes of this Section, "commercial products" does not include use on our Websites in any manner or any promotional materials we may create, whether online or otherwise. If you wish to remove any Content from the Service, your ability to do so may depend on the type of Content, the location and manner of posting, and other factors. You may contact us at support@gaia.com to request the removal of certain Content you have posted, but Gaiam has no obligation to remove any such Content, may choose whether or not to do so in its sole discretion, and makes no guarantee as to the complete deletion of any such Content and copies thereof. In any case, a back-up or residual copy of any Content posted by you may remain on Gaiam's servers after the Content appears to have been removed from our Websites, and Gaiam retains all rights granted in this paragraph to all such remaining copies. You represent and warrant that: (i) you own all right, title and interest in all Content posted by you on or through our Websites or the Service, or otherwise have the right to grant the license set forth in this section, and (ii) the posting of your Content on or through our Websites or Service does not violate the privacy rights, publicity rights, copyrights, trademarks, patents, trade secrets, contract rights, confidentiality, or any other rights of any third party