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- Elon Musk shouted a profanity-laden jibe when he signed the Twitter takeover deal, per a new book.
- Musk took aim at rival social media boss Mark Zuckerberg, Ben Mezrich wrote.
- He discussed the rivalry between Musk and Zuck pair on a podcast hosted by Kara Swisher.
Elon Musk shouted a profanity-laden jibe when he signed the Twitter deal, according to the author of the new book titled "Breaking Twitter: Elon Musk and the Most Controversial Corporate Takeover in History."