“In fact, 95 percent of the traffic to X10 during May came from the pop-up and pop-under ads. Kalehoff said it is nearly impossible to judge from the outside how many people actually browsed through the site or bought anything online after seeing the company’s ads.”
I take it as a display of the utter lack of relevance of the data communicated by Media Metrix, but that’s only me. Now what, banner ad impressions included in web traffic stats? Does auto promotion count too, while we’re at it?
07/23/01 update: Pop-Up Web Ads Pose a Measurement Puzzle, Everything I Know About the Internet I Learned From X10 (or, How to Know When Your Industry Hits Rock Bottom) (thru ideapad)