Paying for things using your phone has become far more widespread during the pandemic. But Western consumers are playing catch-up. Mobile payments have been widespread for more than a decade in Africa, and in particular in Kenya, where the world’s first successful mobile-money system, called M-PESA, was launched in 2007. Why did it take off in Kenya first, how did users shape the development of the product—and what does this story reveal about innovation? Tom Standage hosts For full access to The Economist’s print, digital and audio editions subscribe at economist.com/podcastoffer   See acast.com/privacy for privacy and opt-out information.