This document discusses techniques for prioritizing features during product development, including common pitfalls. It describes the "Product in a Box" activity where stakeholders imagine the product as a box on a shelf and identify the most exciting, important and valuable features to appeal to customers. Another technique is "Buy a Feature" where players are given a limited budget to collectively discuss and negotiate which features to purchase based on benefits and costs. The document provides examples and tips for effectively facilitating these activities to build consensus around prioritization.