Story By Tom Singleton - Innovation columnist, BBC News Elon Musk's X, previously known as Twitter, is confronting a bill from San Francisco specialists in the wake of putting an unapproved blazing X sign on the top of its central command. The sign was placed up on Friday as a component of the organization's rebrand, yet it pulled in 24 grumblings at the end of the week. It was brought down on Monday and X will be charged the expense of building licenses for its establishment and expulsion. San Francisco specialists said the firm didn't have consent for the sign. In a proclamation, authorities said the organization would likewise need to take care of the expense of the Division of Building Review and the Arranging Office's examination. X Corp has been drawn nearer for input. It isn't the principal obstruction Mr. Musk's organization has run into as it changes its midtown central command. An endeavor to eliminate the company's old name must be briefly deserte...