Watch this video https://www.youtube.com/watch?v=KWD2v0SJAM8&feature=youtu.be two important information or knowledge you gained from the video. Explain why each is important. Also provide one constructive feedbacks to other student's posting.

Watch this video https://www.youtube.com/watch?v=KWD2v0SJAM8&feature=youtu.be two important information or knowledge you gained from the video. Explain why each is important. Also provide one constructive feedbacks to other student's posting.