MacKenzie Bezos pledges more than half her wealth to charity

MacKenzie Bezos, above, founder of the anti-bullying group Bystander Revolution, said: ‘I have a disproportionate amount of money to share.’ Photograph: Danny Moloshok/ReutersMacKenzie Bezos, who recently became the world’s fourth richest woman following her divorce from Jeff Bezos, founder and chief executive of Amazon, has promised to give away more than half her $36.6bn (£28.4bn) fortune. The 49 year-old novelist and founder of the anti-bullying group Bystander Revolut