The document discusses the implementation of lean startup principles by Hayward, California, to address the issue of compulsive hoarding, which affects up to 1.4 million people in the U.S. It highlights the challenges faced by city officials in resolving the problem due to legal and resource constraints, and the team’s efforts to gather insights through customer interviews. Ultimately, the lean startup process helped save resources and improve the engagement between residents and city government, emphasizing the importance of testing assumptions before investing in solutions.