Many of us went to school to study our chosen line of work. Some of us did not. But all of us will learn more once we start our careers than any school can teach. We learn through on the job training, professional development, experiences and failures. An often underappreciated teaching technique, however, is mentoring. Aside from being a great way to pass on knowledge, mentoring has some other practical advantages that make it worth the effort. It is low cost, helps build a professional n...