Just a minor quip about the NoEstimates thing. I have zero illusions that some people adopt it exactly as you state. However, AFAIK the original idea was to u

Just a minor quip about the NoEstimates thing. I have zero illusions that some people adopt it exactly as you state. However, AFAIK the original idea was to use metrics and modeling to eliminate the need for a human to make up an estimate. Instead, you have an estimate based on actual numbers and ideally even with a confidence tied to it.