https://www.theguardian.com/technology/2018/apr/11/mark-zuckerberg-in-a-booster-seat-a-tall-tale-says-facebook

Giant cushion used by Facebook CEO in Senate hearing is widely mocked on social media

There was worldwide interest in Mark Zuckerberg’s appearance before joint Senate committees on Tuesday, but for some people a less important question than those about Facebook’s use of data and privacy issues was just as pressing - what was Mark Zuckerberg sitting on?