If you think you need a slideshow: you don’t. When you really do, Russell has good practical advice for presenting well.
Meetings and slideshow are often used when a document would be much better. Documents can be read (and re-read) at any time, and don’t depend on people being available at the same time. At best slideshow is a presentation aide with supporting documents, at worst slideshow is a substitute for written documentation.
Finished reading: Everything I Know About Life I Learned from Powerpoint by Russell Davies 📚