Instead of the 80-20 split at some tech cos, perhaps there should be a 70-20-10 split, of main project-side project-refactoring/cleanup. I would wager Google fo

Instead of the 80-20 split at some tech cos, perhaps there should be a 70-20-10 split, of main project-side project-refactoring/cleanup. I would wager Google for example would be almost immeasurably better off with that approach.