When Elon Musk took over Twitter, commentators were rooting for the visionary behind Tesla and SpaceX to succeed. Here was a tough leader who could grab back power from Twitter?s entitled workforce, motivate them to get ?extremely hardcore,? and supercharge Twitter?s profit and potential. And it was all out of the goodness of his own heart, rooted in his fervent belief in the necessity of making Twitter friendlier to free speech. "I didn?t do it to make more money,? Musk said. ?I did it to try and help humanity, whom I love.?? Once Musk charged into the Twitter headquarters, the command-and-control playbook Musk honed at Tesla and SpaceX went off the rails immediately. Distilling hundreds of hours of interviews with more than sixty employees, thousands of pages of internal documents, Slack messages, presentations, as well as court filings and congressional testimony, Extremely Hardcore is the true story of how Musk reshaped the world?s online public square into his own personal megaphone.