Men are often the default subjects of design, which can have a huge impact on big and critical aspects of everyday life. Caroline Criado Perez is the author of Invisible Women: Data Bias in a World Designed for Men, a book about how data from women are ignored and how this bakes in bias and discrimination in the things we design.
Check out the Invisible Women podcast here: https://99percentinvisible.org/episode/invisible-women/
This will make you extremely angry when you think about how many aspects of life are affected by this. But awareness is the first step to making change happen. Check our Catalyst Collection, and be the Catalyst for Change.