mathematical algorithm

Okay, here's something totally weird: I ran across a site that analyzes your browser history and uses a mathematical algorithm to identify your gender. According to this algorithm, I am male; Likelihood of you being FEMALE is 6% Likelihood of you being MALE is 94% Hrm. Do you suppose this is the reason my email boxes are all jammed with ads to increase my penis size? How about you? Does your browser history predict that you are male or female?