What's the perfect length of time for a PowerPoint presentation? Is it an hour? 30 minutes, never more than 20 minutes 17 minute, Ted Talk style 10 minutes, the shorter the better? The answer is none of those answers work. The perfect length of a PowerPoint presentation is as long as it takes to communicate the ideas that are really important to you, that are also interesting to your audience and you're doing it in a way that's memorable and engaging. I'd far rather you get a 90 minute PowerPoint presentation that people find interesting and riveting and memorable.
Then to give an incredibly concise, tight, focused, nine minute PowerPoint presentation that everyone finds boring, Dolan is instantly forgotten. So it's not about some simple metric of exactly the right length. It's about desert Work your audience paying attention to you, or the understanding and remembering your ideas. If you're incredibly interesting, people will stay on the edge of their seats. We've all seen short little internet videos that are boring after 10 seconds. And yet so the most powerful successful movies of all time, Titanic avatar gone with a when they are two, three hours long.
They're long, long, long movies and people want more because they find it interesting. Focus on being interesting and memorable. accomplishing your objectives the length will typically take care of itself.