[Taxonomy Bootcamp 2011 Takeaway] Zach Wahl of Project Performance Corporation (PPC) said that the average taxonomy application is deeper and more complex than five years ago, and so the need for more sophisticated taxonomy software tools is becoming widely recognized.  PPC is a leading management consultancy with a growing taxonomy practice.  Wahl’s comments drew upon observations of the evolution of RFP requirements over the last few years. Zach's presentation is available at: www.taxonomystrategies.com/presentations/2011/Taxonomy%20Tools%20Requirements%20and%20Capabilities-Busch%20and%20Wahl.pdf.