zyzko writes: "The Register reports that hard drive prices (lowest average unit prices) have rocketed 151% from October 1 to November 14th. The worst days have seen over 5% daily price increases. The reason for this is attributed to floods in Thailand but there are concerns of artificial price fixing and suspicion that retailers or members of supply channel are taking advantage of the situation." Link to Original Source
Computers are unreliable, but humans are even more unreliable.
Any system which depends on human reliability is unreliable.