Sam Schillace, a Microsoft Deputy CTO and author of the book No Prize for Pessimism, discusses the importance of optimism in innovation.He draws parallels between the early internet era and the current AI revolution and emphasizes the value of tackling difficult problems.Schillace shares his experiences as one of the creators of Google Docs and talks about the need to embrace messiness for encouraging innovation.He highlights the significance of adopting an 'AI-native' mindset in the age of generative AI for problem-solving and application development.