Workers install lighting on an “X” sign atop the downtown San Francisco building that housed what was formally known as Twitter, now rebranded X by owner Elon Musk, Friday, July 28, 2023.

HAVEN DALEY / AP. A large, metal “X” sign is seen on top of the downtown building that housed what was once Twitter, now rebranded by its owner, Elon Musk, in San Francisco, Friday, July 28.