> So Phillip,  you say that those "people who bought this also bought
> ..."   are based on ACTUAL purchases?

I would agree with that.  Saying "other people who bought this also bought
these other items" and then displaying items not based on purchase data is
misleading at best.  If you don't have the data to do that feature, then
don't do it.

Instead, do a "related items" or "we think you might also like..." type of
box and use keyword matching or click tracking analysis to determine which
products are related automatically.

I would highly recommend the book "Programming Collective Intelligence" from
O'Reilly if you're interested in this sort of thing.  It explains all of the
math and theories behind these types of features (and a lot more).  The code
samples it includes are in Python, but can be easily translated into
ColdFusion.


--
Justin Scott | GravityFree
Member of the Technical Staff

1960 Stickney Point Road, Suite 210
Sarasota | FL | 34231 | 800.207.4431
941.927.7674 x115 | f 941.923.5429
www.GravityFree.com


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