[hk__2]

> But beside selfish use-cases like looking for an answer to a problem, it is something that was already solved in the previous form of knowledge distribution: books. Why do we always take one step back when moving forward?

Note that with book you have the publication date, but you don’t know when each chapter was written. This doesn’t matter for most books, but for highly technical subjects it may matter.

[darkwater]

That's a fair point but I would expect - at least from high quality book - that all the book chapters are up to date when first published.