There's a common saying that you can't manage what you can't (or don't) measure. Often attributed to Peter Drucker, the godfather of Business Management, the thought here is one must clearly define success criteria, establish a benchmark, and track variance in order to realize improvement and/or identify problems. A quick Google search returns articles both lauding and contesting this maxim. In a Forbes article from 2014, Liz Ryan writes, "That's BS... the vast majority of important things we manage at work aren't measurable, from the quality of our new hires to the confidence we instill in a fledgling manager." She continues to explain that by focusing too much on the numbers, companies often miss out on the big picture.