X Corp blocks social media startup from using 'Twitter' name ↧ ↧ X Corp blocks social media startup from using 'Twitter' name Elon Musk's X Corp convinced a Delaware federal judge on Thursday to preliminarily block social media startup ​Operation Bluebird from using the Twitter name and other Twitter-related marks for ‌its platform, but lost its bid to block Bluebird from using the Twitter bird logo.