This document provides examples of companies that have successfully used video content to grow their audience and engagement over time. It notes that companies like TED published their first video in 2009 and now have over 684 videos and 10.2 million subscribers. Other examples show that regular video publishing since 2009-2018 has helped companies accumulate hundreds of videos and thousands to tens of thousands of subscribers. The document recommends starting a video channel early and maintaining it long-term to help it work for your organization over time.