I didn't even read the entire blog post yet, but he says right at the start that a primary motivation was wanting to be able to read through it while using his

I didn't even read the entire blog post yet, but he says right at the start that a primary motivation was wanting to be able to read through it while using his iPad. Makes sense to me. I enjoy and find useful reading technical documentation while not sitting at a computer. Sometimes, it almost seems most productive when I read a few pages, drift off into a 10 minute nap, and then resume. Things then seem to stick better in my long term memory. (Meaning, when I'm in pure "assimilation" mode as opposed to actively working with/on/using the topic, which is also a great aid to remembering.)