I feel like the theme of the 2020s is epistemology.

For those who aren't aware, epistemology is the branch of philosophy that deals with the nature of knowledge, as in,

- What does it mean to say you "know" something?
- What does it mean for something to be "truth"?
- What is "real"? How do you "know" that?
- What is the difference between "belief" and "knowledge"?
- What's the best way to go about finding more of this "knowledge" stuff, whatever it is?
- What are the limits of knowledge?