The company will measure success based on RPMs – page revenue per 1,000 ad units. If you look at RPMs on Google, AOL search, or Ask.com they tend to be high, and that's the market opportunity we're pursuing.
Finally, it should become the new denominator for calculating effective RPMs, which means it will have to be lingua franca again. When discussing site traffic, you always hear about Unique Visitors or Page Views.
These are clickthrough rates, CPCs, RPMs, and so forth. That warning generated a stock plunge that has hit both Yahoo and Google. No, it's probably not a search bubble. Instead, it's a lesson in the danger of not breaking out search ad revenue...
