To get this out of the way: I am still using the site formerly known as Twitter. I have been posting regularly on what is now known as X since December 2011. The site brought me many things over the years—close friendships, news from around the world, a husband—but these days I mostly use it for one reason. That reason is that I am a freelance journalist, and Twitter—excuse me, X—is still the most useful place to share and get work. In other words, it helps me get paid. But there is a certain tension in this. I regularly write...