You seem to have a lot of Content This and Content That and Content The Other and I'm sort of missing the "sell things to people for money" option. (I suppose, on a reread, that I'm a Content Advertiser under your taxonomy... which seems to suggest that my business model is to be parasited off of by the Web 2.0 economy?)

Thank you, I was going to make something similar. IANABS (I am not a Business Student) but I believe that a business model involves revenue streams.

This kind of article might be a useful way of categorizing Web apps, but it's name suggests it would be some kind of starting point for people thinking about monetizing their product, which it doesn't.