I'm not sure why JC keeps harping on the unique visitors number. More uniques = less commitment to the product. Unique visitors are people who search, click, leave. How are you going to build revenue off people who don't care about your product?<p>How long do those unique visitors visit? When I <i>accidentally</i> click a mahalo link, my instant reaction is to hit the back button, yet, I'm one of those numbers he's using to justify his business model.<p>Unique visitors is essentially irrelevant. If a unique doesn't stick around long enough to see or click on an ad, what's it matter?