
Twitter under Elon Musk has been unpredictable, to say the least. In its latest surprise move, the social network abruptly altered the way it interacts with Substack, a popular newsletter platform. The change came right after Substack announced Notes, a Twitter-like service.
Substack announced Notes on Wednesday, explaining that users “will be able to post short-form content” on “almost anything—including posts, quotes, comments, images, and links.”