Data mining for fun and creepiness…
We leave a page trail in our browsers — a cyberspace equivalent of the wandering snail’s mucous trail.
Here’s a fiendishly clever application that establishes which of the top 10,000 US websites (according to Quantcast) you’ve visited. It takes the male/female ratio of (known) users for each of those sites, then multiplies all the numbers together to develop a probability of your being male or female, based on browsing habits.
According to this measure, I’ve got a 100% likelihood of being male…
More information here.