Owner of 'ElonJet', the bot account on Twitter that tracked billionaire Elon Musk's private jet, has joined rival social media platform Mastodon after the account was suspended on Wednesday. The personal Twitter account of the owner, 20-year-old Jack Sweeney, was also suspended. Sweeney's new Mastodon account, which currently has 23,000 followers, has a total of five posts.