Oh boy, well it's an evolving process...
I have workspaces Work and School. I have one for the entire sum of my software engineering knowledge. Reading List/Notes on books I've read is one (I have a super old blog post on this )
Journal is a workspace.... Contacts (I actually refer to it as Dossiers)... It can be anything. That's what makes it great, it's so flexible.
We're a place where coders share, stay up-to-date and grow their careers.
We strive for transparency and don't collect excess data.