In this talk for the Information and Knowledge Management Society of Singapore (www.ikms.org) on March 13 2008 Christine Connors explains the rationale for a hybrid approach to taxonomy development, harnessing user inputs and activity as well as the traditional controlled approach, giving examples from her pioneering work at Raytheon. This talk was sponsored by Dow Jones Synaptica. In the second part, Christine talks about her experience in developing this approach at Raytheon. Less