With business social networking software - managers and employees now have a

"Social Networking Blurs Boundaries of Learning", from Chief Learning Officer

I've been using del.icio.us for the last three years as my primary search tool. Google/Yahool are great for the generic stuff but for the meaningful stuff I use del.icio.us. Why? Easy, most of the bookmarks to web pages are intelligently filtered, noted, and tagged.

Hey, would you put crappy music on your ipod?

The NY Times has an interesting article about mashups -

This is the what and how of social information management