The economic metaphor gets the shape roughly right and the mechanism completely wrong, which matters.
The dull, practical reasons a plain website still beats every platform I tried instead, none of them idealistic.
Public libraries do most of their real work as a piece of civic furniture, long before anyone opens a book.
The second reading of a book happens between a different reader and a different book than the first one did.
Before 'commonplace' meant ordinary, it named a specific kind of notebook — and a specific kind of reading.
Not just underlining. The word covers a much wider habit than the pencil marks most people picture.