What's interesting is that a user didn't even need to be performing the action for the error -- and hijacking -- to occur.

CNN: How Facebook (briefly) killed the Internet

If an error was intentional, the FAA can take action, officials said.

CNN: SHARE THIS

Ultimately, bottom-up, sustainable liberalisation will have to rely largely on the unilateral action of governments, trying, by trial-and-error, to put their houses in order.

ECONOMIST: International rescue

We also saw a brief demo of the prototype application, and sure enough, it showed us when an LED block was placed backwards with an error message -- you can see it in action in the video below.

ENGADGET

That dean was not identified, and the school said it determined the leak was "an inadvertent error and not an intentional breach", with no further action taken.

BBC: Harvard University file picture

"Like boxing, it's about convincing your opponent you'll do one thing so you draw them into doing the wrong action at the wrong time, or in the wrong place and then take advantage of their error to hit them, " says Ms. Halls.

WSJ: The Finer Points of Balancing Fencing and Family

Harvard said it eventually determined the leaks were an "inadvertent error" that stemmed from forwarded email that made its way to the media and that no action was taken against the dean whose email account was involved.

WSJ: Harvard Explains Secret Email Search