Journalist James Crabtree talks with Recode's Kara Swisher about his new book, "The Billionaire Raj: A Journey Through India's New Gilded Age." Crabtree says India's development of a super-rich billionaire class has heightened the country's already-intense problem with inequality. He also talks about why its "fantastic entrepreneurial culture" has not been able to foster a Silicon Valley-esque tech hub and how he weighs the positive impact of technologies like the mobile phone against negatives such as the recent spate of lynchings that some have linked to Facebook-owned messaging app WhatsApp.

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