1) The Headless CMS presentation discusses the use of Plone as a headless CMS for Briefy, a technology-driven marketplace for content creation. 2) It highlights some of the benefits of using Plone over custom PHP or hosted solutions, including avoiding custom development, integration with front-end development, and control over performance. 3) The presentation shares positive customer feedback on using Plone and details the technical implementation including Dexterity content types, behaviors, building blocks, and integration with services like Thumbor and AWS.