Kyrill Potapov: Finding My Optimum Reading Speed from Quantified Self on Vimeo.
I liked the Jacques Derrida jab (1:25). In general, Spritz seems to be a good thing. You can read faster with good comprehension. On the other hand, you are liable to miss some of the more subtle issues, which doesn't surprise me too much (5:00). From a story on Quantified Self, via Detroit Steve.