No, this is not a talk about how Little’s Law—which most lean practitioners define as a relationship among work in progress, cycle time, and throughput—is incorrect. Quite the opposite, in fact. The problem with Little’s Law is not that it is inexact (it is very exact); the problem is in its misapplication by those who do not understand the assumptions behind the law (and blindly use it as a justification for all things lean). This talk will be an investigation into those assumptions. We will start off with a brief history of Little’s Law and then quickly jump into . . .