Nolan, Richard L., Donna B. Stoddard, and Hossam Galal. "VeriFone: The Transaction Automation Company (A)." Harvard Business School Case 195-088, July 1994. (Revised ...

Customers in Birmingham and London were among those taking to social media, saying they had been asked to pay with cash in Waitrose stores when the card system crashed. Waitrose and Verifone said ...