Present however works best for your material and audience. Discrete slides, scrolling through documents, or a hybrid. But in my experience, slides tend to be be

Present however works best for your material and audience. Discrete slides, scrolling through documents, or a hybrid. But in my experience, slides tend to be better than scrolling unless you're "working through" some problem (even then, slides tend to be just fine). It's not like people don't scroll through documents and call it a presentation. They've just been some of the most painful presentations I've attended and I have no desire to subject anyone to that myself. I'd honestly rather have PowerPoint eye charts than another one of them. At least the eye charts tried to create a presentation, they just fucked it up.