Interesting article. I’m going to give Readwise a try.

Your approach made me recall David Allen’s GTD system. I’ve used this system for years, particularly for managing email. The buckets I use are:
Action // wf (waiting for) // Someday // On Deck. For me it’s a form of “Inbox Zero” first popularized by Merlin Mann.

https://gettingthingsdone.com/

https://library.mailmanhq.com/how-to-inbox-zero/