The Death of Collaborative Filtering

Demonstrated By Confusing And/Or Disastrously Inappropriate Amazon.com Results

Exhibit 1: Search Results, November 27, 2001

We found no matches for keyword(s) "bike messenger." Below are results for the keyword(s) "bish."

Exhibit 2: Consequences of Rating Ayn Rand's Atlas Shrugged with 1 Star Out of 5, July 2, 2002

Here are some recommendations we think you might like based on your rating:

• Dragons of a Vanished Moon (Dragonlance: The Wars of Souls, Book 3) by Margaret Weis, Tracy Hickman
• Coraline by Neil Gaiman, Dave McKean (Illustrator)
• A Storm of Swords (A Song of Ice and Fire, Book 3) by George R. R. Martin
• Star Wars Episode II: Attack of the Clones--The Visual Dictionary by David West Reynolds

Exhibit 3: Recommendations, July 5, 2002, Possibly Continuing Consequences of Rating Ayn Rand's Atlas Shrugged with 1 Star Out of 5

Chunky Style, here are your new and future releases in Miscellaneous [Music].

1. When Bush Comes to Shove ~ Capitol Steps
2. The Story Of The Forest National Anthem ~ Dave Coulier With Weaver Beaver And Friends
   
3. Songs In the Key Of Beaver ~ Dave Coulier With Weaver Beaver And Friends

   US Gnus and World Report: "I loved it!"

4. ...
5. ...
6. Pistas: Canta Como Mana ~ Pistas: Canta Como Mana

   Average Customer Rating: 1.0 out of 5 stars
   Review: No es Karaoke This isn't Karaoke. No lyrics display. ...

7. Sousa Spectacular ~ John Philip Sousa (Composer), et al
8. Karaoke: Songs By Shania Twain ~ Various Artists
9. Emmanuel ~ Norman Hutchins & JDI Christmas
10. Karaoke: Beach Boys ~ Beach Boys
11. Music for Massage ~ Steven Halpern
12. Karaoke: Carpenters ~ Carpenters

Exhibit 4: Email Alert, January 17, 2006, Probably Has Nothing To Do With Having Rated Ayn Rand's Atlas Shrugged with 1 Star Out of 5

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Dear Amazon.com Customer,

We've noticed that customers who have purchased "Computers & Typesetting, Volume D : Metafont: The Program (Computers and Typesetting, Vol D)" by Donald E. Knuth also purchased books by Paul A. Tedesco. For this reason, you might like to know that Paul A. Tedesco's "Common Sense in Project Management" will be released in paperback soon. You can pre-order your copy at a savings of 34% by following the link below.

Common Sense in Project Management
Paul A. Tedesco
List Price : $34.99
Price : $23.09
You Save : $11.90 (34%)

Eddie Kohler