'X' logo installed atop Twitter building, spurring San Francisco to investigate permit violation
The city of San Francisco has opened a complaint and launched an investigation into a giant "X" sign that was installed Friday on top of the downtown building formerly known as Twitter headquarters as owner Elon Musk continues his rebrand of the social media platform.
City officials say replacing letters or symbols on buildings, or erecting a sign on top of one, requires a permit for design and safety reasons. Pic: AP