Web 2.0 and Second Life: marketing connection

Wagner James Au notes this important nexus point between Second Life and Web 2.0:

After that, however, my illustrated transcript of the SL chat log of Chris Anderson's appearance garnered about 90,000 page views, and is still often read; a subtitled YouTube video of the appearance produced by Millions of Us has been seen 2657+ times, and when you Google "Chris Anderson", it currently comes up as the 61st hit out of 1,270,000 returns.

So here's the question:  when considering the effectiveness of marketing Chris Anderson's Long Tail in Second Life, how many pairs of eyeballs should be counted?  Just 30?  Or another number?*

Au's point is defensive, in the mode of explaining low Second Life participant numbers, but the observation is a good one.  Web 2.0 tools and projects can radically amplify SL activities, based in part on the very large size of Web 2.0.