destinyland writes "O'Reilly and Associates just announced that they're offering a 50% discount on every ebook they publish for Cyber Monday. Use the code CYBERDAY when checking out to claim the discount (which expires at midnight). Amazon has also discounted their Kindle Fire tablets to just $129. Due to a production snafu, they've already sold out of the new Kindle Paperwhite, and won't be able to ship any more until December 21"
Computers are unreliable, but humans are even more unreliable.
Any system which depends on human reliability is unreliable.