Here are some very specific questions that you can use in your interviews. You want to deeply understand their behavior, not just what they're saying,. Because changing the behavior will be hard. Here are some questions that you should not ask. There are ways you can kind of derail this interview. Will you use our product? They're probably going to say yes, but they're not going to mean anything to you in that answer.
YC often says "talk to your users", but actually doing that is surprisingly tricky. YC Group Partner Gustaf Alströmer gives non-obvious advice on how to talk to both current and potential users, how to run a great user interview, and how to interpret the feedback in these conversations.
Apply to Y Combinator: https://yc.link/SUS-apply
Work at a Startup: https://yc.link/SUS-jobs