URL：https://1.bp.blogspot.com/-XT4e2pLjQLg/YDmhY659vFI/AAAAAAAAeaw/2P4nN6fq8iMxpJhBaP_TOvU2WBiJ-ZdiQCLcBGAsYHQ/s0/colors.png
掲載元：https://www.nagahitoyuki.com/2017/08/concerning-the-change-in-the-number-of-socialmedia-users-that-young-people-start-twitter-more-than-facebook.html
