And this, and this, and this

Rattling through 25 points about why your idea is great on page 1 of your deck is not convincing.
  • You do not give the audience the ability to warm up, and first of all understand what it is you do
  • You dilute the power of the arguments by spending too little time on each: big need, no competition, great team, we all heard them before
  • You remind us of weak pitches where the lack of quality of the story is made up for by quantity: products with 25 benefits usually have no benefits
Instead, resist the temptation for detail and explain roughly what you do on page 1, plus the most important differentiator. Then follow with a presentation that is short enough for the audience to focus on your key points.