Technology Musk threatens to sue researchers who documented rise in hateful tweets "This is an unprecedented escalation by a social media company against independent researchers. Musk has just declared open war." Elon Musk, CEO of Tesla Motors Inc., introduces the Model X car at the company's headquarters Tuesday, Sept. 29, 2015, in Fremont, Calif. AP Photo/Marcio Jose Sanchez, File WASHINGTON (AP) — X, the social media platform formerly known as Twitter, has threatened to sue a group of independent researchers whose research documented an increase in hate speech on the site since it was purchased last year by Elon Musk....