Zach talks with Jason Johnson from Simply Bookkeeping about common mistakes people make when trying to do their own taxes. Then, Tracy Sole de Hoop from Hexagon Mining, and John Kemeny and Rosa Rojas from the University of Arizona Department of Mining and Geological Engineering come on the show to talk about their new collaboration around Mining 4.E, an online course designed to broaden the understanding of modern mining and its associated technologies, a seven-week learning experience that focuses on big data analytics, sensors, Internet of Things, AI and machine learning. Also, the state of mining today and Tucson as a hub for mining and mining technology.