4.- CONTENT SUBMITTED BY YOU. From time to time We may make available on this Website bulletin boards, chat rooms, comment areas, billboards, forums, news groups, postings sections or similar communication facilities. In such instances, We welcome your comments on our Website. However, any notes, messages, billboard postings, ideas, suggestions, or other material which You submit to Bustelo´s Optical ("User-Posted Content") must not harass, slander, malign, libel, defame, threaten, or otherwise violate any rights of any third-parties and must not include any profanity, obscene, indecent, pornographic, defamatory, unlawful, or otherwise objectionable material all as determined by us. Furthermore, User-Posted Content must not infringe the intellectual property rights, privacy rights, rights of publicity, or other proprietary rights of any person or entity. Upon your submission of any and all User-Posted Content, You grant Bustelo´s Optical a non-exclusive, royalty-free, perpetual, irrevocable right and license to use reproduce, copy, modify, alter, publicly display, publicly perform, post, transmit, broadcast, distribute or otherwise use the User-Submitted Content, such that Bustelo´s Optical shall be and is entitled to use such User-Posted Content for any type of use, including promotional purposes and advertising, in perpetuity, in any and all media whether now known or hereafter devised, without any compensation to you. Your expressly waive any and all rights, grounds and actions concerning the inspection and approval of the finished product that may be produced and used in connection with your User-Posted Content. By submitting any User-Posted Content to us, You represent and warrant that You hold all necessary right, title and license to such User-Posted Content and that your submission of such materials to the Website does not and will not violate or infringe the rights of any third-parties, including but not limited to intellectual property or privacy rights.