When I enabled it, I didn't notice anything until after I restarted firefox. When I went to a sample page filled with pictures that define the color space, the pictures definitely looked great. However, there was an incredibly annoying side effect that all the white backgrounds on pages were a kind of tannish yellow, including boingboing and my own page. Maybe there's something else I'm missing?

Dan O'Huiginn- It doesn't say 60% of the world's oil paintings in the article itself, but if you go to the main Regional page at http://www.regional-office.com/ there is a summary of the article that states: Sixty-percent of the world’s oil paintings are produced in Dafen, the majority of which are reproductions.

My mother-in-law gave my wife and I a couple of these with our Christmas presents this last year. I thought it was pretty fun, and kept doing it over and over again until I memorized that path. My wife was pretty frustrated with it until she thought to grab a magnet and solve it that way.