I was using this on and off to cram in some studying, reading, review etc., in between daily tasks, work, life, etc., when I didn’t have my computer handy to sit down and read online. It was ok until the latest iOS update. It was buggy, before, would crash and skip pages or not allow you to highlight, but I could read it. That was the important part. Now you cannot even view the content on the top and bottom of the pages and it won’t allow scrolling up or down to see this, it just skips to the next page. Please fix! It’s a great tool to use for busy students!