The key idea of the video is that successful business pitches require understanding the industry jargon, identifying customer problems, and showing how the solution can help them personally, while investors and customers have different focuses and require separate pitches.
The difference between an investor pitch and a customer pitch is that the latter requires the use of industry jargon, getting the customer to speak more about their problem, and figuring out how the solution can help them personally.
Your investor pitch should be concise and in simple language, and should not be the same as your website or customer pitch, focusing on what your product does and how far along you are.
Investors are interested in specific details such as functionality, onboarding process, pricing, and problem-solving, while customers focus more on the nitty-gritty of how the product applies to their specific needs.
Focus on business aspects in investor conversations, separate pitches needed for investors and customers in YC.
In investor conversations, the focus is usually on the business aspects such as market size, customer demand, and potential customers, with exceptions for live demos and screenshots.
Investor pitch and customer pitch are two different things, and most companies going through YC need to have separate pitches for each audience.