Just fished it out -- paper is here for the curious: http://public.research.att.com/~volinsky/netflix/RecSys08tutorial.pdf http://public.research.att.com/~voli

Just fished it out -- paper is here for the curious: http://public.research.att.com/~volinsky/netflix/RecSys08tutorial.pdf http://public.research.att.com/~volinsky/netflix/RecSys08tut... It's one, amusingly, that I'd skipped because it seemed to be less technical. :-) Good stuff.