I teach at a community college. A couple of years ago I switched from using a text book, lecture and demo format to using MastercamU. Prior to switching I had taught Mastercam for years and had developed solid instruction. With some apprehension I made the switch, but I hedged my bet by also requiring a text. At first I was stunned by what happened, most of my students learn more in less time while my role changed from provider to enabler. I augment MCU instruction in areas I feel it is lacking, but overall I would never go back to text/lecture only. Some of my students still use and learn better from the tutorial text, most are all on-line.