What’s the best way to create your pitch deck and demo?

Paul Graham (Co-Founder & Partner at Y Combinator)
How to Raise Money

You’ll also want an executive summary, which should be no more than a page long and describe in the most matter of fact language what you plan to do, why it’s a good idea, and what progress you’ve made so far. The point of the summary is to remind the investor (who may have met many startups that day) what you talked about.