Thursday, November 02, 2006

When customer preference detection goes wrong


I recently attempted to find out if Bronowski's The Ascent of Man has been reissued in DVD form yet. Unfortunately it appears not, at least not in the USA as yet althought Keneth Clark's equally excellent Civilization is available.



After viewing Civilization and the Ascent of Man Amazons comparison shopping algorithm gets a brainwave. I might want other books with the word 'civilization' in their title.

The crossover appeal is rather interesting and not what you might expect. 9% of the people who look at the history of porn by Kenneth Clarke's series instead but the number of customers going the other way is too small to register. The history of porn is #5,000 or so, Clarke is at #1000 despite costing twice as much.

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