Factbox: Linda Yaccarino - the advertising executive Musk picked as new Twitter CEO

NBCUniversal ad chief departs, could be named Twitter CEO shortly

Musk says has found new CEO for Twitter

Musk says Twitter to soon allow calls, encrypted messaging

Former Fox News host Tucker Carlson will relaunch his show on Twitter

Twitter to remove inactive accounts

Twitter beats disabled worker's lawsuit over layoffs, for now