3. Polishing points
Did not moved a lot
Pathos was not really convincing
Did not talk about the price
Did not show the product at the beginning
Did not do a review/tie back
4. Advice
Make a good hook (e.g. storytelling)
Use ethos/pathos/logos
Have some really convincing arguments
Talk about the price
Make a review of the good point of your product at the end
Involve the audience in your presentation
Be energetic and smile
Show your product at the beginning