We used to call them "credit card companies." But the likes of Discover Network (and its rivals) now offer a plethora (that is, a dizzying array) of products and systems under the umbrella of the payments business. Tom's in Chicago today speaking to Discover Network's Acquirer Advisory Council.
Discover Network, Acquirer Advisory Council, 14 September 2011
Discover Network Long Version, 14 September 2011