Explore Sam Altman's lecture on later-stage startup advice, part of Y Combinator's "How to Start a Startup" series. Gain insights into crucial aspects that become important after your startup's first year, including management structure, stock and vesting, HR practices, company productivity, legal considerations, and personal psychology. Learn about potential failure cases, the importance of establishing a solid structure, and strategies for marketing and PR. Discover how to navigate deals and maintain focus on your startup's ultimate goal. Access the lecture transcript and slides for a comprehensive understanding of these advanced startup topics.