I thought I was choosing an ereader. I was really deciding who I wanted to support. Tell me if you can relate: You’re at a bookstore. The smell of coffee drifts from the cafe. Fellow readers huddle around the shelves, quietly murmuring with each other. A kid laughs. You look at the brand-new books laid out on a table, their covers like siren calls. You pick up one with the best cover and read the description. Something in you clicks and then you create the fantasy: you imagine yourself reading it in your own home, maybe with tea in your favorite mug. Maybe you’re on the couch, feet curled under…