https://sparkholyoke.com/ Test the risky question first. en https://sparkholyoke.com/build-paper-prototype-test/https://sparkholyoke.com/build-paper-prototype-test/Build a paper prototype around one task and learning question. https://sparkholyoke.com/customer-interview-without-leading/https://sparkholyoke.com/customer-interview-without-leading/Run a non-leading customer interview by defining one decision, recruiting people with recent relevant experience, and asking them to reconstruct a…