Elon Musk’s rebrand of Twitter seems to be underway. In a series of late-night tweets Saturday, Musk shared that the company’s famous bird logo and name would soon be no more. The company, it seems, will simply be known as “X.” “And soon we shall bid adieu to the twitter brand and, gradually, all the birds,” he tweeted. He later said in a Twitter space that the Twitter logo would be changed Sunday. “It should have been done a long time ago, sorry it took so long,” he said. Later that night, he reportedly emailed employees about the change. According...