On this episode, hosts Robert J. Marks and Bradley Norris conclude a three-part interview with Hal Philipp, inventor of the modern touchscreen. In the previous two segments, Philipp discusses the inventions that culminated in his revolutionary touchscreen as well as its aftermath. This week coves some of the lessons Hal has learned over his career, with some questions from a … Continue reading Hal Philipp on The Perils and Profits of Invention