Illustration: Alex Castro / The Verge
Twitter has started marking links to Substack as unsafe. If you click on a link on Twitter with substack.com in the URL, Twitter will show a separate notice warning you that “the link you are trying to access has been identified by Twitter or our partners as being potentially spammy or unsafe.”
Don’t be alarmed — the links we’ve checked appear to be perfectly safe. This notice seems instead to be Twitter’s latest hostile move toward Substack after the email newsletter platform announced its own Twitter-like “Notes” feature on Wednesday.
On Thursday, Twitter blocked people who use Substack from embedding tweets into their stories. Then, late Thursday or early Friday, Twit...
