The document discusses embracing mobile-first design strategies and responsive web design patterns. It defines mobile-first as working within constraints, enabling rich interactions for always-on, social, and personal mobile use while targeting the mobile market. The document considers when a mobile solution is needed based on users, their site usage context, and location. It also compares web versus native mobile apps and stresses bringing together content writers, designers, and engineers to create a mobile-first strategy with content preceding design.