Discover lightweight usability techniques used by Lean Startups and Agile teams in this 52-minute conference talk from GOTO Aarhus 2011. Learn how to quickly find users to observe, interpret their feedback without bias, and share observations effectively with your team. Explore tools for moving from observation to design, including design charrettes and paper prototypes, and from design to code using data-driven development. Follow a step-by-step process to improve your product's usability, from field observation and experience mapping to creating actionable ideas, prototyping, and user testing. Gain insights on the benefits of these techniques and how to implement them in time-crunched organizations for significant product improvements.