A9's new "discover" feature

A9 launches some new features (reports from New York Times and Business 2.0). Most interesting is a "Discover" section that tries to recommend other interesting web pages based on your history. From John Battelle:

New to this version of the site is a feature A9 calls "Discover," which finds sites you might be interested in based on your clickstream and -- here’s the neat part -- the clickstream of others.

This powerful feature smells an awful lot like Amazon’s fabled recommendation system, and over time, may well become the basis of an entirely new relevance scheme that builds upon Google’s link-based PageRank.

Still wondering if A9 will do personalized search?

See also my previous posts ([1] [2] [3] [4]) on A9 and personalized search.