Steve Walker presented on demystifying Lean UX and how to include effective customer experience best practices in Agile processes. He discussed the origins and principles of Lean UX, including short design cycles, rapid prototyping, and frequent validation and feedback. Walker provided examples from StubHub and NYC Department of Sanitation that used unified teams or a staggered approach. Finally, he outlined options for implementing Lean UX concepts based on factors like project focus, organizational maturity, and available UX/UI talent.