Microsoft's managers use an “Impact designator” or “multiplier” to identify top performers. Allowing for spending raises, stock-limited budget.
Amazon has an annual internal target of 6% unregretted attrition (URA)
Netflix. We ask them to apply what we call the “keeper test” — asking, “if X wanted to leave, would I fight to keep them?” Or “knowing everything I know today, would I hire X again?” If the answer is no, we believe it’s fairer to everyone to part ways quickly.