A search engine bot in pictures - too much speculation

I've been mulling over this article for some time now so I could draw some sensible conclusions from it but I've decided against doing it because there are far too many variables in there.

You can read my speculation about over on my crawling Squidoo Lens. My lens is much more of a workshop where I can throw ideas around rather than state hard facts as I need to do (as much as possible at least!) on this blog.