![PopTech Audio: PopCasts show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/053/095/small/poptech-audio-popcasts.jpg)
Summary: <p>Writer Suketu Mehta glimpses our possible urban future through the lens of the vastly contrasting lifestyles in Mumbai, the biggest, fastest, richest city in India, and with a population of 21 million, larger and more crowded than many nation states.</p>