Citi launched ThankYou Network in July 2004 - it has since become one of the largest card rewards programs in the United States - over 8.8 million accounts enrolled.
Aspects of Vesdia's loyalty programs are covered by one or more of the following patents: U.S. Patent No. 6,631,358; U.S. Patent No. 6,345,261; U.S. Patent No. 4,941,090; U.S. Patent No. 5,117,355; U.S. Patent No. 5,202,826; and U.S. Patent No. 5,287,268.
