[contentcards url=”https://www.theguardian.com/technology/2020/dec/16/mackenzie-scott-ex-wife-of-jeff-bezos-gives-away-4bn-in-four-months-amazon-covid” target=”_blank”] By Mark Sweney The 50-year-old, who was married to Amazon boss for 26 years, donates to Covid groups MacKenzie Scott, the ex-wife of…