Stefan Judis and Rouven Wessling discuss Contentful, an API-first CMS that decouples content from presentation, offering better cross-platform support and flexibility in choosing a writing language. With Contentful, the CMS backend handles data storage, versioning, and backups, while developers focus on building their site's frontend. This approach enables dynamic product management in static e-commerce workflows, as described by Brian Douglas, founder of OpenSauced.