Beyond the hotline: proactive solutions for happier cities

In a city of millions, how do you make sure every voice can be heard when needed? Beijing has been practicing something new for the past several years and it's working. Through this smart system, citizens' complaints are not just listened to but acted upon. From swift responses to a smarter and happier city, how many more steps are still ahead? What are some other modern governance trends transforming urban life? On the show: Niu Honglin, Laiming & Yushan