[hackerpolicy]

This is called Rapid Serial Visual Presentation (http://en.wikipedia.org/wiki/Rapid_serial_visual_presentatio...). After a few hours (or minutes) you start to identify the drawbacks presented in the wiki.

[camelite]

Yeah I should probably add, I've only used it intermittently. For whatever reason I don't find it comfortable enough to replace regular reading. It works best for articles and the like where I want to actively extract information or quickly ascertain quality.

[DennisP]

Seems like those problems could be corrected by slowing down on the problematic words.