A useful generalization of some elements of my Personal Learning System, My Reading & Writing Workflow is the concept of Queues.
Learned this from Rosano during a Tools for Thought Rocks (formerly, Interchange) talk. Here's the section of the video.
Queues can be used for ingestion. I effectively already have several:
These ingestion queues are effectively inboxes that need processing. They enable the Getting Things Done behavior of filing things away in a place such that I know where things are in order to keep moving and batch process later.
Queues can also be used to trigger actions, effectively acting as a prioritized queue of things to do next. This makes it easier to get things done when I have low energy for prioritization: just pull the next thing off the top of the list.
I've been using many of these things