Prominent listing just under Top Tier. The Tier Two listings are reordered randomly every 10 minutes so that each gets prominent exposure.
Measured over the past 30 days, UseAds.com sent an average of 163 hits per day to each Tier Two listing. That’s over 4,890 hits a month!

Woa. Thankyou for sharing. I certainly did not think about this particular issue in that way before and it opened some serious discussion for me on this topic.