How much does it suck to be in the audience for yet another drawn-out, boring, lifeless slideshow? Worse yet, how much does it such to be the one giving it? The truth is, bad PowerPoint happens to good people, and quite often the person giving the presentation is just as much a victim as the poor sods listening to her or him. Here are ten tips to help you add a little zing! to your next presentation. They are, of course, far from comprehensive, but they’re a start. Feel free to share your own tips in the comments.