A great product is not just based on a great idea, it is sustainable. So after you close your first round of financing, don't be tempted to think that business model has been validated. Funding is only validation of an idea and an entrepreneur. Therefore, your first task is to begin proving your idea has a viable business model, and from there build your product, communicate with your customers and iterate on building something meaningful to them.
Clipping is a handy way to collect important slides you want to go back to later.