To add to this (and as patio11 has said several times in his articles) OKCupid does this with regularity, and has provided a people with great deal of entertain

To add to this (and as patio11 has said several times in his articles) OKCupid does this with regularity, and has provided a people with great deal of entertainment and information value, and have been covered many times in the press. They've also possibly indirectly helped their business doing this. http://blog.okcupid.com/ http://blog.okcupid.com/ KISSMetrics is another: http://blog.kissmetrics.com/ http://blog.kissmetrics.com/