The best ever presentation that I remember was by Edward De Bono. Some of these are on the net. https://www.youtube.com/watch?v=_5DK8XPUEaU https://www.youtube.

The best ever presentation that I remember was by Edward De Bono. Some of these are on the net. https://www.youtube.com/watch?v=_5DK8XPUEaU https://www.youtube.com/watch?v=_5DK8XPUEaU He was really a gifted presenter and the man that invented "lateral thinking".