Well, no we didn’t, but as I’ve said before, when is Google going to gift the world with a non broken version of Alexa? Google Peter Norvig does a good job of anecdotally proving the obvious. (via another Googler, Matt Cutts).
For example, let’s look at the log stats for my site and for some of my friends who have recently published their stats for 2006. We list the actual number of visits and pageviews, and the Alexa numbers for reach and pageviews. The difference is quite profound.