Ilona Koren-Deutsch gave a presentation about her role as Technical Documentation Manager at Twitch. She has 25 years of experience as a technical writer across different roles. As part of Developer Relations, she builds the documentation experience for Twitch's API. She discussed pros and cons of technical writing roles in engineering, support, and developer relations. Good developer documentation includes organization, examples, consistency, and support resources. A good developer portal establishes trust, helps developers understand and use the API quickly, and provides quality support.