Please, test it. The fact you believe in your idea, or that your investor do as well, it means a lot about creating a wonderful team and culture. It does not mean your customer will buy into that. There is a long way between what the market opportunity (as the market analysis and the founder’s vision is) and what the actual product is. Of the thousands of products in different countries that seems to solve the same problem (you may call them competitors if you want), which one will win the customers’ favor now and in the future? Usability test helps to provides insight on that. Or in other words. usability test tells you, at the current state of mind, your customer will most likely find your product to be value if you do … in the following way … and … in the following way ... As you can see, these findings can be translated to what you can include in your MVP, why a certain design or feature did not meet the expect...