https://theconversation.com/why-universities-should-get-rid-of-powerpoint-and-why-they-wont-43323 http://www.chronicle.com/article/Teach-Naked-Effort-Strips/47398/ https://theconversation.com/lets-ban-powerpoint-in-lectures-it-makes-students-more-stupid-and-professors-more-boring-36183 https://theconversation.com/learning-from-powerpoint-is-it-time-for-teachers-to-move-on-45146