Reinventing the intranet
Modern social software could be the key to building effective enterprise
discusses the big need for better search solutions in the enterprise. Certainly, once you've started using desktop search tools such as Google Desktop, X1, Microsoft's Desktop search or others will make you realize the need for this. Why can I search my desktop and the web, but I can't search my network drives?
Interestingly, Jon also points to the need for the tools I discuss for personal learning...
eLearning Technology: Personal Learning for Learning Professionals - Using Web 2.0 Tools to Make Reading & Research More Effective