No Prize for Pessimism by Sam Schillace is a thoughtful meditation on the importance of optimism in building and designing tech products - or any product, for that matter. Schillace is Microsoft's Deputy Chief Technology Officer. He is the co-inventor of Google Docs, a product used by more than a billion people around the world. Through a series of insightful letters and reflections, Schillace shares his journey from the early days of personal computing to the forefront of AI innovation. This book delves into the mindset required for disruption and innovation, emphasizing the importance of optimism, experimentation, and a willingness to embrace the messiness of creation. In his debut as an author, Schillace argues that optimism is crucial for innovation, contrasting it with the dangers of a pessimistic mindset which he believes stifles creativity and progress. Leadership, according to Schillace, is rooted in humility and trust. He warns against the prima donna death spiral where leaders fail to delegate, leading to team inefficiency. The author discusses the transformative potential of AI, emphasizing the need to integrate AI capabilities with traditional coding practices for effective product development. He explores the balance between speed and maintainability in coding, advocating for a pragmatic approach to software development. Schillace stresses the importance of humility in leadership, encouraging leaders to support their teams and prioritize collective success over personal ego. He identifies several emerging technologies with disruptive potential, including AI, quantum computing, and renewable energy solutions. Throughout, the author encourages readers to adopt a What if? mindset, fostering creativity and resilience in the face of challenges. Schillace shares personal anecdotes and lessons learned throughout his career, offering practical advice for aspiring innovators and leaders. No Prize for Pessimism is perfect for entrepreneurs, engineers, and anyone interested in the future of technology.