In "Simpler," Cass R. Sunstein, a visionary architect of public policy and former administrator of the White House Office of Information and Regulatory Affairs under President Obama, chronicles the transformative journey of government towards simplicity and efficiency. With a rich blend of insights from behavioral psychology and economics, Sunstein unveils the subtle yet powerful strategies that have reshaped governmental operations, saving billions of dollars, and vastly improving the lives of American citizens. Through the ingenious application of nudges—minimal, cost-effective interventions that guide choices while preserving freedom—Sunstein and his team have revolutionized the way government interacts with the public. From streamlined mortgage applications to more intelligible labeling on food and cars, "Simpler" illuminates the path to a government that works smarter, not harder, for its people. Beyond mere policy recount, Sunstein explores the future of governance in the digital age, advocating for a government that is more transparent, data-driven, and responsive to citizens' needs. He passionately argues for principles that prioritize the dissemination of crucial information and the simplification of regulatory processes, ensuring that the most beneficial outcomes become the default. "Simpler" is not just a memoir of Sunstein's groundbreaking tenure; it is a forward-looking manifesto for continuous improvement in how governments can serve their citizens more effectively. Through compelling examples and a clear vision, Sunstein offers a roadmap to a government that is more accessible, agile, and attuned to the challenges and opportunities of the 21st century.