Great videos to watch on web

Valuepickr already has a thread for great articles , would like to start this thread on great videos/interviews/presentation on investing. Would be great if people post a synopsis of video.
Stock specific videos should be posted on respective threads while focus on behavior finance or historical or other general topics videos here that can help us in our investment journey.

Yuval Noah Harari, macro-historian, Professor, best-selling author of “Sapiens” and “Homo Deus,” and one of the world’s most innovative and exciting thinkers, discusses his newest work, “21 Lessons for the 21st Century.”

No need to create additional thread. Move to the existing threads.