Excellent PR work by Match.com. Anyone who has actually used Match.com knows that it is, from an engineering and design standpoint, utter crap. The algorithm being pumped here is probably nothing special, but hey, getting PR by hyping your "proprietary algorithm" is a time-tested tactic.
http://paulgraham.com/submarine.html
Similar article from 2008: http://www.nytimes.com/2008/01/29/science/29tier.html
Similar article from 2003: http://money.cnn.com/magazines/business2/business2_archive/2...