>So how can we expect people to be 100% efficient if even machines can't be 100% efficient? The article addresses this, I think, in the "Total efficiency is a

>So how can we expect people to be 100% efficient if even machines can't be 100% efficient? The article addresses this, I think, in the "Total efficiency is a myth" section: "it is impossible to keep everyone in the organization 100 percent busy unless we allow for some buffering"