A New Hampshire man using his Visa debit card at a gas station to buy a pack of cigarettes found that his account was charged $23,148,855,308,184,500 for the transaction. Bank of America also added a $15 overdraft charge.
A North Texas man was charged the same when he charged a slice of pizza and a Coke to his Visa card.
Visa Debit Processing Services acknowledged that a programming error impacted about 13,000 transactions.
See, "US shopper charged $23 quadrillion for cigarettes," Guardian, July 16, 2009, at http://www.guardian.co.uk/world/2009/jul/16/man-buys-cigarettes-23-quadrillion; "The $23 Quadrillion Pack Of Cigarettes," DigitalTrends, July 16, 2009, at http://news.digitaltrends.com/news-article/20426/the-23-quadrillion-pack-of-cigarettes; "Pizza And Soda? That'll Be $23 Quadrillion, Please," NPR, July 15, 2009, http://www.npr.org/templates/story/story.php?storyId=106658657.