There's lots of useful things, and everybody is into their own stuff. Sometimes it intersects with ones own interests, but most of the time you're on your own.

There's lots of useful things, and everybody is into their own stuff. Sometimes it intersects with ones own interests, but most of the time you're on your own. However... think about it like this: If just one (1) of the dozens of people the author mentioned Anki to took it up and learned a whole new skill, their life would be changed. Thats pretty cool! And reward enough.