The X appeared after San Francisco police stopped workers on Monday from removing the brand's iconic bird and logo from the side of the building, saying they hadn't taped off the sidewalk to keep ...

Elon Musk had a huge X logo put on the roof of its San Francisco headquarters on Friday. City officials are investigating if he had the necessary permits to do so.

Twitter's new "X" logo was projected over its San Francisco headquarters two hours after midnight. It was launched under the cover of darkness and with minimal fanfare.

The X appeared after San Francisco police stopped workers on Monday from removing the brand’s iconic bird and logo from the side of the building, saying they hadn’t taped off the sidewalk to ...