Is it okay to use whiteboards, flip charts, other non high tech tools for presentations? Yes, not only is it okay to use, for example, a whiteboard, it's often better than a lot of PowerPoint slides. Here's the beauty of using a whiteboard where you are holding a magic marker or shock and drawing is that you can only focus on one thing at a time. I've never yet seen someone who can just grab 10 different color magic markers and do 10 lines at once creating a financial chart. And yet that's what people put up when they have the PowerPoint slide. It's too complex.
So the beauty of you drawing in front of people is it forces you to focus on one thing at a time It forces your audience to focus on one thing at a time, it often makes it much more understandable. It's extraordinarily difficult to draw in front of people with a lot of complexity. You have to distill it down to the simplest elements. So that's why I'm a huge fan of using simple techniques, whiteboards, drawing, and props are perfectly fine too. If you're talking about how your number one product, commodity is oranges and you're from the Chamber of Commerce, in a Florida County, you may want to simply have an orange and pass it around to people, rather than put up a bullet point slide with all sorts of numbers about oranges. So yes, we live in a PowerPoint world.
I'm not anti PowerPoint, but sometimes the simplest tools are the most effective.