Mark Zuckerberg Praises Elon Musk's X Fact-Checking System, Says It's 'More Effective' Than Facebook Mark Zuckerberg commended X’s Community Notes system during a Meta earnings call. Previous Article 4 Questions All Business Owners Need to Answer to Have a Successful Exit Plan Next Article 'Difficult Decision': Amazon Announces a New Round of Layoffs. Here Are the Roles Affected.