Cool. I find that the 500 wpm one goes by too fast for me and I had to watch it three times to make sure what I thought I saw was actually what I saw. 400 wpm seemed the most comfortable for me.
The downside to this, though, is right after i tried all the speeds I looked around their website and had a negative image of the black screen and the white box the text over everything I was trying to see and read which was really distracting.
The downside to this, though, is right after i tried all the speeds I looked around their website and had a negative image of the black screen and the white box the text over everything I was trying to see and read which was really distracting.

Teenaged X-Files obsession + Bermuda Triangle episode + Self-led school research project = Atheist.