Personalization

a technique/practice of Attention Management for handling the Universal Inbox

aka Recommendation Engine, Recommendation System, Recommender System http://en.wikipedia.org/wiki/Recommender_system

• http://www.recsyswiki.com/
• http://recommender-systems.org/

Portals were heading in this direction during the DotCom era - it was expensive technology

Amazon is a big player in this area. Could really consider this Collaborative Filtering.

more general: Mass Customization?