NicknamesAreStupid writes: The word is in, Watson beats the two best Jeopardy players. Sure, it cost IBM four years and millions of dollars and requires a room full of hardware. In thirty years it will all fit in your pocket and cost $19.99. Resistance is futile; you will be trivialized.
Computers are unreliable, but humans are even more unreliable.
Any system which depends on human reliability is unreliable.