With your actual prototype now in hand, you will need to test how customers react to the details of your concept.
1. Contact a list of potential customers. You can use the information we've presented to you in this section regarding cold calls, emails, and interview questions to help you prepare and make contact with them. Share your actual prototype with them.
2. Record the results of your conversations.
3. Adjust your Big Idea Hypothesis and Minimum Feature Set as necessary.