3 ms·https://www.youtube.com/watch?v=451xJqNGFqU https://www.youtube.com/watch?v=451xJqNGFqUby hindsightbias 4y agohttps://www.youtube.com/watch?v=451xJqNGFqU https://www.youtube.com/watch?v=451xJqNGFqU