Elon Musk, who owns both X (formerly Twitter) and the artificial intelligence startup xAI, announced the social media ...

X CEO Linda Yaccarino, while testifying before Congress ... a new email address for them), attaching it as a child under a family plan, and then fiddling around with settings on both the parent's ...

"The future could not be brighter," X CEO Linda Yaccarino posted 21 minutes after xAI CEO Elon Musk posted late Friday that it has acquired X for $45 billion. "So are you CEO of the merged company ...