A method of upgrading a self-service terminal (SST), such as an ATM. An SST is first identified which has (1) a screen for displaying withdrawal options usable by a customer and (2) a touch input mechanism for receiving user commands. Then the SST is modified so that it can receive user commands from...http://www.google.ca/patents/US7716133?utm_source=gb-gplus-sharePatent US7716133 - Self service terminal
