Twitter CEO Parag Agrawal sought to project calm on Friday following another tumultuous day at the social media company. The culprit, as usual: Elon Musk, who had declared that morning that he was ...

Running Twitter has been "quite painful" and "a rollercoaster", Elon Musk has said, in a hastily arranged live interview with the BBC. The multi-billionaire entrepreneur also said he would sell the ...