Before Elon Musk bought Twitter, slurs against Black Americans showed up on the social media service an average of 1,282 times a day. After the billionaire became Twitter’s owner, they jumped to 3,876 times a day. Slurs against gay men appeared on Twitter 2,506 times a day on average before Mr. Musk took over. Afterward, their use rose to 3,964 times a day. And antisemitic posts referring to Jews