Merchants directly access a network of thousands of large, high resolution electronic billboard displays and directly send their own advertisements electronically to the network to be displayed at locations and times they select. The advertisements include order numbers that may be used by consumers...http://www.google.de/patents/US20050289015?utm_source=gb-gplus-sharePatent US20050289015 - System and method permitting merchants to use electronic billboard displays to carry advertisements for products that can be purchased through a universal, automated order processing system
