Elon Musk has closed a deal to buy Twitter for $44 billion, in a deal that will shift control of the social media platform populated by millions of users and world leaders into the hands of the world’s richest man.

Elon Musk has closed a deal to buy Twitter for $44 billion, in a deal that will shift control of the social media platform populated by millions of users and world leaders into the hands of the world’s richest man.