Print books and E-books

Print Books
Physicality of print books
Environmental friendliness of print books
Cost of print books
Convenience of print books
E-books
Physicality of e-books
Environmental friendliness of e-books
Cost of e-books
Convenience of e-books
What are the points of comparison used in this passage?

physicality, environmental friendliness, cost, and convenience

weightlessness, ease of transport, and ease of use

the history of all books, the history of digital books, and the history of print books

the passage first talks all about books printed on paper and then all about e-books

physicality, environmental friendliness, cost, and convenience