Explore responsive web design principles and their broader implications in this 52-minute conference talk from CSS Day 2015. Delve into the evolution of responsive design since its introduction five years prior, examining its role as a best practice in website development. Discover how this approach has sparked wider discussions about creating products adaptable to a growing range of connected devices. Gain insights into a framework for modeling these conversations and learn key principles for developing work that can flexibly respond to our rapidly changing digital landscape. Access accompanying slides for visual reference and further explore the speaker's expertise through their personal website.