Over the past couple of years, I've used Literal to keep track of the books I've read and that I’m reading. When you mark a book as completed, Literal, like probably every other site and app of this type, asks for a review, which includes a 1-to-5 star rating. I suck at this. I genuinely don’t know how to rate things on a scale, which is why the vast majority of the books I rate are either 4 or 4.5. I think Netflix got it right with its thumbs-up, thumbs-down system, with the extra option...