A timeline of how Elon Musk has turned X into a misinformation weapon that spews falsehoods about migrants, gender, health and elections.

The rocket company’s executives haven’t sought a higher security clearance for its CEO to avoid questions about his drug use and contact with foreign officials. The answers might no longer matter.

His relationship with Chinese leaders and reported contacts with Russian officials are cause for alarm.

The past year has been wild for the global technology sector, and the next year is set to be even wilder.