Hot or Not was preceded by the rating sites Rate My Face, which was registered a year earlier in the summer of 1999, and Am IHot.com, which was registered in January 2000 by MIT freshman Daniel Roy.
Regardless, despite any head starts of its predecessors, Hot or Not quickly became the most popular.
A 2006 "hot" or "not" style study, involving 264 women and 18 men, at the Washington University School of Medicine, as published online in the journal Brain Research, indicates that a person's brain determines whether an image is erotically appealing long before the viewer is even aware they are seeing the picture.
Moreover, according to these researchers, one of the basic functions of the brain is to classify images into a hot or not type categorization.
A frat house notorious for parties is turned into a co-ed residence for four freshmen under the supervision of a graduate student and her occasional boyfriend, a party animal from the closed fraternity.