Mobile card imaging: Flint's Mobile payment apps eliminates need for card reading dongle  [VIDEO] | Payments 2.0 |
ZDNet: The Flint application for iPhone uses the smartphone's build-in camera and imaging features to make it easier for small merchants to accept credit cards.

Therese's comment: the article also claims that the dongle-free card reading technology is even more needed as Aplle has changed its connecting jack configuration, making iPhone 4 mobile card reader incompatible with the new iPhone 5.
Via smartfinserv