I don’t know how much the audience took heed of his call, but he certainly followed his own advice. He and Endeca alum Mark Watkins just launched Goby, a vertical search engine that exhorts you to “create your own adventure”. It’s fun–a sort of exploratory search for explorers. And it uses a deep web crawl to populate its index with semi-structured data.
Anyway, try it out! I’ve been in the private beta, but haven’t had the chance to see what they’ve been up to in the final stretch leading to the launch. You can also read more on Search Engine Land or CNET.