Comment of Ted Talks presentation group 5
https://youtu.be/P_6vDLq64gE In this presentation, I learned, how to spot a liar's face expression, included a fake smile and others. Although they forgot they want to express sometimes but I still like their good presentation . By the way, I know a youtuber who is working on psychology video, included analyze various mental activities and etc, and this youtuber's name is Eric長安萬年