Charitable giving is being disrupted by the same youthful tech folk who got rich disrupting other sectors: these days it is fast, data-driven and bureaucracy-light. We meet a new class of investors who trade shares from behind bars. And reflecting on the life of Maya Widmaier-Picasso, who spent her childhood painting alongside her father, becoming an expert on his work.

For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer