The shared study notes represent shared understanding of the topics at hand. Different people grasp concepts in different way and seeing how other people think/

The shared study notes represent shared understanding of the topics at hand. Different people grasp concepts in different way and seeing how other people think/understand/deduce/... (at least for me) makes a world of difference. Like seeing a PR and going "holy s**, would never have dreamed of doing it that way" - I have learned A LOT in a looooong SWE career from that...