Mark Zuckerberg will be richest person of world at 2020
Mark is a smart bussiness man ,as early november he is announced as 5th richest man of world,and some days ago he earn 3.4 billion in an hour,if we compare this speed then in near 2020 (Mark Zuckerberg wealth)he will be the most richest man of world,Mark Zuckerberg net worth.
