I wish I had written something half as good and precisely on point about Twitter. I previously tried, but I missed some very good points. A must-read.
The resulting feed is one in which links are variously demoted. Links are hat-tips, polite credits, or customary reminders that there is more to see, somewhere else, if you care. They contain the leftovers—the things that weren’t good enough for the screenshot, the highlight, and the post. Eventually, they’re metadata.