I have noticed a trend lately away from PowerPoint. It’s very fashionable to present off the cuff without visual aids. Actually I expect it make you think a bit more about what you are saying.
The last person I saw do this (PowerPoint commando) opened his talk with: I’m not using PowerPoint today because I want to be authentic. I am a very authentic person and this makes me very vulnerable. Please bear this in mind when asking me questions.