Three quick points: * One man's Lindy effect is another man's survivorship bias. * Along the same lines, the only ground truth is the Pareto distribution; cho

Three quick points: * One man's Lindy effect is another man's survivorship bias. * Along the same lines, the only ground truth is the Pareto distribution; choose your 20% wisely. * There is virtue in starting with "best practices" if only to start somewhere. It's certainly the path of least resistance to the "green light" of doing whatever you want.