I've been using del.icio.us (social bookmark

"Tag Teams Wrestle With Web Content" www.computerworld.com/softwaretopics/software/groupware/story/0,10801,101100,00.html?source=NLT_WS"d=101100p
Opinion by Robert L.

Businesses would get better ideas if they used social web tools and social media to engage employees, customers, and partners on a free flowing and unconstrained tagging basis instead of a pre-defined hierarchy of words that define the way things are or should be according to the business.