Community Design
Everyone is moving and interacting each other.
"Sustainable cities depend on empowered citizens" after SciDevNet
http://www.scidev.net/global/cities/news/sustainable-cities-empowered-citizens-technology.html?utm_medium=email&utm_source=SciDevNewsletter&utm_campaign=international%20SciDev.Net%20update%3A%2026%20May%202015
Most people live in cities, and most megacities are in the developing world
New technology can empower those people while making cities more sustainable
But for this to happen, citizens need to be involved and lobbies regulated