If you want to see what a good powerpoint looks like: https://www.youtube.com/watch?v=J3RnDD4kETI https://www.youtube.com/watch?v=J3RnDD4kETI Bad powerpoints a

If you want to see what a good powerpoint looks like: https://www.youtube.com/watch?v=J3RnDD4kETI https://www.youtube.com/watch?v=J3RnDD4kETI Bad powerpoints are bad, and good powerpoints are good. They're a useful tool. If they're used well, then they help the talk. (This is also a excellent talk. I recommend watching it.)