Adrian McDermott, VP of Engineering at Zendesk, discussed the company's scaling challenges and successes in building its Voice product, while Oren Jacob, former CTO at Pixar, talked about life at Pixar and how to build developer-friendly tools. Alexis, a UX/Human Factors/Brand Strategist, created sketchnotes from these talks, aiming to make complex topics more memorable through humor and metaphor. The talks were part of TwilioCon 2011, where Alexis also shared her expertise on creating sketchnotes and is now teaching a class in San Francisco.