“Who is the best person?” https://j.mp/34zjoLK リンカーンvsビルゲイツ https://j.mp/2GRnRkM

“Who is the best person?”https://t.co/ObNYscza3L

リンカーンvsビルゲイツ pic.twitter.com/TebUhFoJ4m

— Akihiko SHIRAI, Ph.D #VTC20 (@o_ob) October 8, 2020

from Twitter https://twitter.com/o_ob