Agile User Studies: Affordable, Iterative, Scalable, Team-Based User Feedback. Most Agile practitioners would agree that regular customer feedback is essential, but many teams struggle to obtain that information. Traditional usability tests seem too abstract, expensive, and time consuming. I will present a methodology that allows any team or practitioner to conduct affordable, iterative, team-based user studies. I will also share the result of applying this methodology at Cengage Learning over two years, multiple Agile teams, and dozens of projects.