Using a story is a good idea. We get to the problem early and understand it pretty clearly. It also gives you the potential to talk about other elements in your pitch (competition, business [...]
I often see pitches where the presenter uses a laser pointer. I’m not a big fan. First, it doesn’t highlight information as well as the speaker thinks. Often it just confuses the audience. [...]
If you have slides with multiple elements, I think you should build them up, piece by piece, from blank. This gives you a number of benefits. The first is control. If there’s not much to look [...]