Before Mark Zuckerberg testified in front of Congress last year, he and his team prepared by holding mock hearings inside a Facebook conference room set up to look like a congressional room.
원문출처 : https://www.cnn.com/2019/02/07/tech/mark-zuckerberg-sheryl-sandberg/index.html
원문출처 : https://www.cnn.com/2019/02/07/tech/mark-zuckerberg-sheryl-sandberg/index.html