Fill in the Blanks Reading Online version Choose the best word by Fernanda Rezende 1 dropped floor lifestyle founder connect about created interested launched users World´s Youngest Billionaire Who is the world´s youngest billionaire ? Mark Zuckerberg and CEO of Facebook . Born in NY in 1984 , he became in creating computer programs when he was in high school . Then in 2004 , during his second year in college , he an online directory where all the students at his college could be listed . He it from his dorm room and called it `thefacebook . com " . A few months later , Zuckerberg out of college to work on the program , and the rest is history . Facebook now has over 500 million around the world . What is Zuckerberg like ? Although he´s worth over $ 4 billion , he wears sneakers and jeans , lives in a small one - bedroom apartment , and sleeps on a mattress on the . He´s frequently up working until 6 or 8 am and sometimes doesn´t sleep for days . What makes him happy ? He´s able to do what he loves . And he hopes he´ll be able to continue to build new ways for people to in the future . As he says , " The thing I´m most excited is what we´re building now . And I can´t talk about that .
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