(c) We shall be free to use any ,ideas, concepts, know-how, content or techniques contained in User Contributions for any purpose ,whatsoever, including but not limited to the development, production and marketing of products and ,services that incorporate such information. and (d)You grant Us and other Users of the site a non-,exclusive, royalty-free, perpetual, world-wide, irrevocable, sub-licensable and transferable right and ,license to use, reproduce, create derivative works of, distribute, or publicly display User Contributions ,freely, and for any purpose whatsoever.