Mark Zuckerberg and Elon Musk were once poised to fight in a cage match in 2023, before Zuckerberg called it off, saying that Musk was "not serious." Now, the two billionaires have gone from the brink of battle to using each other's technology.

Meta first announced that it would retire its third-party fact-checking program in January. At the time, CEO Mark Zuckerberg said that the company would replace it with community

Mark Zuckerberg‘s rise in the billionaire rankings has been nothing short of spectacular. Fueled by Meta’s skyrocketing stock value and bold financial moves, he has surpassed Jeff Bezos for the first time,

"We have to talk to Musk and Zuckerberg. They have the technology to address this problem," said Coe on protecting female athletes from online harassment

Meta will test Community Notes in the US starting March 18. This uses X's technology and allows users to flag false or misleading content. About 200,000 users have signed up to contribute. The system replaces third-party fact-checking with a crowd-sourced model.