Watch this video:
https://www.youtube.com/watch?v=NRcPXtqdKjE
Summarize in two paragraphs:
How does Sam Killermann describe gender? What are some of his challenges to the concepts of gender? How does he compare gender identity vs. biological sex? What does he mean by gender expression? Do you think your culture (American or where you are from) is changing its views about gender, gender norms, and gender roles?