This week, X, formerly known as Twitter, made likes private — meaning people can no longer see which users have liked posts. It's a move the company says is aimed at improving privacy, however, experts say the change will harm the public's ability to hold the powerful to account. Public likes on the social media platform were always a double-edged sword. They established a public record of every user's interests and interactions. But they were also an occasional source of trouble for politicians, celebrities and even site owner Elon Musk, whose likes were frequently examined by journalists and the public....