Elon Musk has said he will start charging people to use the social media site formerly known as Twitter. NBC News reports the billionaire businessman, who renamed the platform to X, revealed on a live stream that the company would introduce a "small monthly payment" to combat "vast armies of bots". Musk has long complained about the presence of fake accounts on the platform, and tried to use his concerns to wriggle out of his deal to buy it last year. He did not offer further details about the new fee, such as a price or whether it would include…