HDCP (High Definition Content Protection) is designed to protect HD DVD's and Blu-Ray Discs from unauthorised copying. After a HDCP key was discovered by a user of the Doom9 forums, the AACS (Advanced Access Content System) consortium sent out letters threatening legal action against those that had posted the key online.
Not only did this fail to scare website owners and bloggers who had posted the key, many of whom could not be legally challenged because their websites are outside of the USA, but the key has spread far and wide online. The AACS consortium's actions have also prompted a number of new and inventive ways of distribution, including: being posted in comment sections; using binary or decimal permutations; or even as far as to make a shopping list using the numbers 9 Oranges, 8 Apples, 9 Pears, 6 Bananas...
http://www.tgdaily.com/content/view/31859/118/
Not only did this fail to scare website owners and bloggers who had posted the key, many of whom could not be legally challenged because their websites are outside of the USA, but the key has spread far and wide online. The AACS consortium's actions have also prompted a number of new and inventive ways of distribution, including: being posted in comment sections; using binary or decimal permutations; or even as far as to make a shopping list using the numbers 9 Oranges, 8 Apples, 9 Pears, 6 Bananas...
http://www.tgdaily.com/content/view/31859/118/