A power point presentation should be to the point and easy to understand. If you get carried away with slides and animation your audience can get lost and not follow what you are saying. To ensure that you have an effective presentation you should follow the 10/20/30 rule for power points. No more than 10 slides in the presentation. These ten slides should be as follows.
2. Your Solution
3. Business Model
5. Marketing and Sales
10. Summary and Call to Action
Next your presentation should be no more than 20 minutes long. This give you time to get your point across while maintaining the audience attention. Any longer than this and you may begin to loose your audience to other things. Lastly the font on your slides should be no smaller than 30 point. This makes any text large enough that is can easily be read by all and keeps the focus on what you are saying.