Employee is aware that the Companies develop and utilize, and that he has had and will continue to have, access to valuable technical and nontechnical trade secrets and confidential information including, but not limited to, knowledge, information and materials about the Companies’ trade secrets, mailing lists, methods of operation, advertiser lists, advertisers, customer lists, customers or clients, products, services, know-how, business plans and confidential information about financial, marketing, pricing, compensation and other proprietary matters relating to the Companies which are not in the public domain (“Confidential Information”), all of which constitutes a valuable part of the assets of the Companies which the Companies seek to protect.