Justin Gonzalez, a social media specialist, gave a presentation on making video sharing an important part of an online strategy. He covered building backlinks by using detailed and regularly updated keywords to increase click-throughs. He also discussed incorporating annotations to drive campaigns, engage viewers, and link to other content, as well as using Google Checkout's donate button and analyzing YouTube insights for discovery, demographics, communities, and hot spots. The goal was to provide new ideas and tools for optimizing YouTube channels.