1. The webinar covered optimizing product design through experiment-driven approaches. It discussed AB testing, the experiment design canvas tool, and tips for integrating experimentation into the design process. 2. The experiment design canvas is used to map business objectives and key results to user goals, problems, solutions, and results from a micro and macro level. 3. An example was provided of an experiment to address a page load error by testing different troubleshooting option displays, which resulted in a 63% winner that reduced errors.