Actually, I'd say they're different because of their position in cache. The reason it doesn't work for reading unfamiliar material is that you don't have the in

Actually, I'd say they're different because of their position in cache. The reason it doesn't work for reading unfamiliar material is that you don't have the information yet. You need to assimilate to build the picture. In fact, I recall speed reading material I was familiar with and absolutely achieving significant comprehension. Writing is different. Increasing throughput almost has continuous gains all the way to blitting to computer. This makes sense. Everything is hot cached. Right now everything between my thoughts and the machine is just in the way.