MacKenzie Bezos pledges more than half her wealth to charity

Jeff Bezos’ former wife, known as world’s 22nd richest person with $36.6bn fortune, signs up to the Giving PledgeMacKenzie 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 Revolution said on Tuesday that she had “a disproportionate amou