"We or others may store, display, reproduce, publish, distribute or otherwise use User Content online or offline in any media or format (currently existing or hereafter developed) and may or may not attribute it to you. Others may have access to this User Content and may have the ability to share it with third parties."
Southwest claims the right to store, reproduce, publish, and distribute any user-submitted content in any media format without obligation to attribute it, effectively claiming broad perpetual rights over user content.