Mark Zuckerberg and Priscilla Chan to give away 99 percent of their Facebook stock, worth $45 billion - The Washington Post

https://www.washingtonpost.com/news/the-switch/wp/2015/12/01/mark-zuckerberg-will-give-away-99-percent-of-his-facebook-stock/?wpisrc=al_alert-COMBO-tech%252Bnation