https://docs.google.com/document/d/12TUTg8owl79mBrzJ7Pgg5fgztQolMQ58GvjVtnrW5uw/edit


https://docs.google.com/presentation/d/1PSCU5XtAGGfj8LBqDs8LsAdy4dO0Getv9MvMcKE4rj8/edit#slide=id.g817131b8ae_0_390