Defunct addon for Firefox that does this to websites.
https://addons.mozilla.org/en-US/firefox/addon/3997
while searching I found this:
https://addons.mozilla.org/en-US/fir...y/0/2149/31451
It flashes words in front of you faster than you normally read, but slow enough so that it is understandable. the effect is really cool. you can instantly read much faster!
(install, Restart firefox, select text, press play)
-Leav