This document discusses how to build a selling system based on authority and a common thread. It recommends focusing on personal brands and networks through interviews to align with your business goals. A common thread is something the business can become known for that is tied to its goals and appeals to customers, like environmental sustainability. Personal brands can extend the reach of an existing brand. The document provides ideas for using a common thread through various media like podcasts, social media, and events. It outlines a process for identifying influencers, developing consistent messaging around the common thread, and measuring results. The goal is to create a knowledge-based selling system focused on authority around a shared value.