A method and apparatus for distributing, generating, and redeeming discount Virtual Coupons™, rebate or gift certificates or the like which may be used in conjunction with a frequency card program. Virtual Coupons™ may be distributed electronically, for example, in the form of a diskette or CD-ROM...http://www.google.de/patents/US7917386?utm_source=gb-gplus-sharePatent US7917386 - Virtual couponing method and apparatus for use with consumer kiosk
