The tab that never closes
TL;DR
An open tab is a promise, not a plan. Saving a reading gives it somewhere to wait without asking for attention, so the tab can close and the piece can come back when it matters.
The essay separates saving from deferring: a saved reading has a place to be, while an open tab is an unpaid debt in the corner of the screen.
What this adds
Familiar
Overlaps with readings already in your library. See the connections