If air is free, how worthwhile is it? Typically, value is entirely the realm of the receiver. Many things are free and incalculably valuable. Start reading the

If air is free, how worthwhile is it? Typically, value is entirely the realm of the receiver. Many things are free and incalculably valuable. Start reading the book and see if you value it. Did not downvote. You asked a valid question that furthered the discussion