He mixed it up with video clips, demonstrations and other speakers. He didn’t give his audience time to get bored or distracted either. He knew the story he wanted to tell, and used slides and props to support the story, not drive it. Once you’re sure of the best way to tell the story, you can start thinking about the supporting visuals - images, videos and special effects. He spent years in the movie business with Pixar, remember? So he knew most of the tricks. Jobs spent a lot of time thinking, brainstorming, sketching and ‘white boarding’ the story outline. Before you create a slide or video presentation, work out how best to tell your story.