Although CodeCogs does not claim ownership of content that its users post, by posting Content to any public area of the Service, you automatically grant, and you represent and warrant that you have the right to grant, to CodeCogs an irrevocable, perpetual, non-exclusive, fully paid, worldwide license to use, copy, perform, display, and distribute said Content and to prepare derivative works of, or incorporate into other works, said Content, and to grant and authorize sublicenses (through multiple tiers) of the foregoing.