https://youtube.com/watch?v=NmWwRmvjAE8 https://youtube.com/watch?v=NmWwRmvjAE8 this is a different version of the talk where perhaps this duality becomes clea

https://youtube.com/watch?v=NmWwRmvjAE8 https://youtube.com/watch?v=NmWwRmvjAE8 this is a different version of the talk where perhaps this duality becomes clearer at the end