Starting in 1996, Alexa Internet has been donating their crawl data to the Internet Archive. Flowing in every day, these data are added to the Wayback Machine after an embargo period.
I know he does. I have heard it before. How ever...when I checked him
out as best I could, he and his customers only seem to advertise in
accepted places on the Web and in news groups. I will give credit where
credit is due.