June 16, 2019, Elon Musk sent a tweet:
Just deleted my Twitter accountTwitter @elonmusk
Screenshot is shown in figure A:
In addition, he replaced his account profile picture with a black picture. Since he posted that tweet (say he will delete his Twitter account), he hasn’t updated anything, including replying to messages.
Maybe it’s true, maybe it’s just a joke. Who knows?
12:05, June 18, 2019, UTC update:
Musk updated his profile picture: