This document discusses best practices for managing large product backlogs in agile development organizations using the backlog management tool Hansoft. It covers prioritizing and estimating the backlog, defining user stories and acceptance criteria, assigning ownership, and structuring the backlog. Techniques include stack ranking, estimating in story points or days, using MoSCoW prioritization, and customizing backlog views and columns. The document includes examples and exercises for prioritizing features, estimating work, and defining user stories in Hansoft.