This concluding chapter situates developmental science in the service of children, and appraises the contributions of the brain development revolution. The question of why has brain development become the dominant lens through which we view children’s development today is answered in light of the discussions of the previous chapters. How the brain development revolution has changed public understanding of children and its practical implications are considered. Finally, the lessons of the revolution for science communication are considered in relation to the book’s three themes: science, the media, and public policy. Concerning science, the successes in the public communication of developmental brain science are contrasted with problems in messaging the science, especially the selectivity of the messaging. The chapter argues for a stronger leadership role for developmental scientists in the communication and application of the research. Concerning the media, the chapter considers the opportunities and difficulties for science communication posed by digital and social media in light of a new generation of scientists in using these tools. Concerning public policy, the chapter urges consideration of alternative policy proposals for implementing developmental science based on different value priorities and preferences to create broader coalitions of advocates for children and their families.