Tesla CEO Ellen Musk is now in charge of Twitter. Twitter CEO Prague Agarwal and finance chief Ned Segal have left the company's San Francisco headquarters and will not be returning. Vijaya Garde, the head of Legal Policy, Trust and Safety, was also fired. Musk had until Friday to complete his $44 billion acquisition of Twitter or face a, quote, better with the company. The billionaire said on Twitter. The bird is freed is an apparent reference to the takeover being completed