From time to time, WallDirectory, the Affiliates’, or the WallDirectory Service’s service providers, suppliers, and Advertisers may conduct promotions on or through the WallDirectory Service, including, without limitation, auctions, contests and sweepstakes (“Promotions”). Each Promotion may have additional Rules which will be posted or otherwise made available to you. For purposes of each Promotion in which you elect to participate, the additional Rules will be deemed incorporated into and form a part of this Agreement; provided, however, if there is any conflict between the Rules for any particular Promotion and these Terms of Use, the Rules shall govern for that Promotion.