By John Kleefeld In the first part of this two-part piece, I discussed arborescent (vertical, discrete, hierarchical) and rhizomatic (horizontal, overlapping, interconnected) ways of acquiring and classifying knowledge, as well as the convergence of the arbor and the rhizome in modern knowledge systems. In this part, I discuss how this applies to Wikipedia. Most of us use the Web rhizomatically: we enter a search term in Google or Wikipedia, look at the search results, and follow the links, whether to other Wikipedia pages or other online or offline resources. As I said in the previous post, this lets us explore pathways that interest us most, and may also lead to more engaged…