Explore the optimal timing for design in software development through this conference talk from GOTO Night 2012. Delve into Jens Meydam's insights as Head of Development at Zahnärztekasse AG, examining real-world examples that support designing before implementation. Discover how this approach can enhance agility and aligns with modern methodologies like Lean Startup. Learn about the balance between design and execution, the importance of user experience, and the concept of design velocity. Gain valuable perspectives on product management and interaction design, supported by quotes from industry experts like Steve Jobs and Marty Cagan. Understand the challenges of payment data processing and accounting overhead, and see how innovative solutions like spreadsheet integration can address these issues.