I don't get it. Buying digital and real books is not exclusive. Personally, I like explicitly deciding which books deserve the honor of "gathers dust and taking

I don't get it. Buying digital and real books is not exclusive. Personally, I like explicitly deciding which books deserve the honor of "gathers dust and taking up space" status. Just as I keep printed-out copies of interesting online essays or blog posts in a bunch of binders, I keep tangible copies of interesting books around as well.