Three days before Elon Musk agreed to buy Twitter, the world's richest man tweeted a photo of Bill Gates and used a crude sexual term to make fun of his belly.
Playful, aggressive and often juvenile, Musk's past tweets show how the world's richest man has used social media to craft his public image as a brash billionaire unafraid to offend. They may also reveal clues as to how Musk will govern the platform he hopes to own.
