Programs like PowerPoint and Keynote have become standard tools for teaching. Despite their ubiquity, an increasing number of educators blame them for both a deskilling of teachers and a dumbing down of students. This article examines some of the concerns that surround slideware-assisted teaching and offers guidelines and heuristics concerned mathematics teachers can use to re-energize and re-intellectualize their use of presentation software products. Special emphasis is placed on slideware's use in the mathematics classroom.