The document discusses managing UX (user experience) debt, which refers to design decisions that negatively impact users. It identifies common sources of UX debt such as acquisitions, outsourcing, neglect, and intentional vs unintentional mistakes. The document provides strategies for identifying UX debt through active awareness, inventorying, and exposing teams to users. It also discusses classifying and prioritizing debt, and addressing it through bankruptcy, do-overs, or phased approaches. Avoiding debt requires research, attention to detail, modularity, and documentation.