This document discusses the power of YouTube marketing. It notes that YouTube has over 1 billion monthly users and is the second largest search engine. It highlights how Orabrush, with a marketing budget 1/100th the size of Pepsi or Old Spice, was able to generate hundreds of millions of views for its videos. The document then outlines Orabrush's YouTube marketing funnel and shows how testing many video, landing page, and price point variations helped optimize its campaign and revenue over time.