Add to ORKGSlide presentations, often called PowerPoint presentations, have a bad reputation accumulated by countless mediocre presentations. The fact behind this sad state of affairs is that a vast majority of professional lecturers and other speakers have never come to terms with slide presentations based on software like PowerPoint and Keynote. In classrooms, at seminars, at conferences, and at business meetings they deliver slide presentations that bear all the hallmarks of poor design thinking. Most presenters give presentations that don't cash in on the didactic potential of the bimedial format (speech + visuals). They give presentations where the visual part is not coordinated with the spoken part, in fact where the visual part is directly coun...