[Tossrock]

> The problem is that once we make 80% of the process vastly more efficient, all it does is throw a spotlight on the remaining 20%. (This is the unheralded dark side of the Pareto principle.

I think this might be better referred to as the well-known outcome of Amdahl's Law: http://en.wikipedia.org/wiki/Amdahls_law

[mechanical_fish]

Agreed, but if I'm going to jokingly but inaccurately name-check a principle involving the number "80%" I might as well pick on poor Pareto. He's used to it by now. ;)