Thank you! The pedagogy was super important to me (I work at Khan Academy, so I suppose that was a given, haha). I really tried to make it not just a gimmick, b

Thank you! The pedagogy was super important to me (I work at Khan Academy, so I suppose that was a given, haha). I really tried to make it not just a gimmick, but have the interactions/animations help clarify what's difficult for words/static images to explain.