A newly released site developed entirely in Rails, known as Smatchy
(www.smatchy.com), presents an interesting
take on recommendations and could become the standard rather than the
exception. The recommendations were more useful than typical sites,
especially the ‘Unique Recs.’
More info here…
http://www.adamhegedus.com/2006/11/16/everyone-knows-the-letdown-of-a-bad-recommendation…
Digg it!
http://digg.com/tech_news/Website_figures_out_who_is_like_you_and_who_is_not