I wrote something on this a while back: http://adamierymenko.com/space-mountaineering/ http://adamierymenko.com/space-mountaineering/ The metaphor feels strai

I wrote something on this a while back: http://adamierymenko.com/space-mountaineering/ http://adamierymenko.com/space-mountaineering/ The metaphor feels strained... I wrote it after too much coffee and not enough sleep. But the basic ideas come from learning theory and I think are valid. Lean startup assumes that there is a hill to climb, and that gradient descent works in all cases.