Andrej Karpathy twisting his hands as he explains it is also a great device. Not being sarcastic, when he explains it I understand it for a good minute it two.

Andrej Karpathy twisting his hands as he explains it is also a great device. Not being sarcastic, when he explains it I understand it for a good minute it two. Then need to rewatch as I forget (but that is just me)!