Internet and world-wide-web platforms, big data analytics, software, social media and civic technologies allow for the creation of smart ecosystems in which connected intelligence emerges and disruptive social and eco-innovation flourishes.

Nicos Komninos is a professor emeritus at the Aristotle University of Thessaloniki, Greece, founder of the Urban and Regional Innovation Research (URENIO) and currently CEO of Intelspace Technologies, a company developing platforms and solutions for smart cities.

1. Introduction Part I: Platforms, Smart Ecosystems and Connected Intelligence 2. Connected Intelligence and Great Challenges of the 21st Century 3. Smart Cities Are Cyber-Physical Systems of Innovation 4. Effectiveness of Smart City Solutions 5. Smart Ecosystems and Layers of Connected Intelligence Part II: Smart Growth: Externality Platforms and Disruptive Innovation 6. Smart Growth: Connecting Innovation and Digital Worlds 7. Externality Platforms, Disruptive Innovation and Smart Growth Part III: Safety and Security: Engagement Platforms and Social Innovation 8. Social Innovation in Smart Cities and Ecosystems 9. Cyber-Physical Spaces for Engagement, Social Innovation and Safe Cities Part IV: Sustainability: Awareness Platforms and Eco-Innovation 10. Environmental Sustainability Under the 'Smart Everything' Paradigm 11. Conclusion