https://www.reddit.com/r/dataisbeautiful/comments/6r3ew4/oc_ive_secretly_been_keeping_track_of_my/
origin - http://www.pipiscrew.com/2017/08/ive-secretly-been-keeping-track-of-my-coworkers-diet-coke-consumption/ ive-secretly-been-keeping-track-of-my-coworkers-diet-coke-consumption