"He uses Twitter like an angry dude who spends all day on conservative message boards," Hayes said. "He doesn't like something, he's hitting 'tweet.'"
Hayes took issue with one tweet in particular, where Murdoch seemed to deny global warming:
Hayes called the tweet "a real zinger," and said that nevertheless, he appreciates Twitter for allowing him to "jack into the unedited thought stream" of people like Murdoch.
Watch the video for the full clip on "All In."