Explore the world of Let's Encrypt in this 30-minute Mozilla Hacks video presentation. Delve into the history of SSL/TLS and HTTPS, understand the importance of secure internet connections, and discover how Let's Encrypt is revolutionizing online security. Learn about digital certificates, the automated process of obtaining and managing them, and the impact of this free, open-source certificate authority. Gain insights into the technical aspects of requesting certificates, verifying domain ownership, and implementing automated certificate management across various web servers. Examine the significant progress and scale of Let's Encrypt, and get a glimpse of future developments in internet security.