In November 2008, at least 20 people died in an accident on the Nerpa when a fire extinguishing system was activated by mistake.

BBC: India leases Russian nuclear submarine

Later units will have Global Positioning System chips to eliminate the common mistake--caught by software on Bolofsky's site--of failing to match the street address to a written description of where a car was parked.

FORBES: Get Your Tickets Fixed

The episode prompted promises of change, but also some finger-pointing about who was ultimately to blame for a mistake with precedent in the Cook County system.

NPR: Mistakenly Freed Killer Captured While Watching TV

One small mistake in entering a destination address made the system unusable.

FORBES: Over-Engineering 101

Professor BRAD DELONG (Economics, University of California, Berkeley): You don't want to repeat the mistakes of the Great Depression, and the big mistake of the Great Depression was letting the banking system collapse.

NPR: Federal Plan To Invest In Banks Met With Caution

Building an economic system, or a tax system, which failed to take account of what people think is fair would be a grave mistake.

FORBES: Taxing Capital Isn't About Fair: It's About Efficiency

Make no mistake: What's in play is the emergence of a caste-based traffic system, one of robot-haves and have-nots, of steely-eyed electronic wheelmen vs.

WSJ: Why Driverless Cars Are Inevitable��and a Good Thing

BeenVerified.com said the reappearance of Mr. Cox's information was a mistake, but concedes that sometimes data about individuals resurface when the company adds new data to its system.

WSJ: Websites Accused of Privacy Violations After Personal Data Reappears