samzenpus from the the-perfect-robot dept.
kkleiner writes "Willow Garage has pulled off the ultimate engineering feat: teaching a PR2 robot to fetch you a beer from the fridge. Not only can the PR2 select the correct brew from the fridge, it can deliver, and even open the beer as needed. That's right, all the humans have to do is drink and relax. Prepare yourself for some major robot-envy as you check out the PR2 delivering much-needed refreshment in the video."
Computers are unreliable, but humans are even more unreliable.
Any system which depends on human reliability is unreliable.