{ Got this from Darren. }
You can use MSN’s adCenter technology to predict a customer’s age, gender, and other demographic information according to his or her online behavior—that is, from search queries and webpage views.
Here’s on I got for this blog:
That’s 51% male and 49% female with average age range of about 25 – 34 years old. Interesting predictions, eh. Hi to all yah ladies out there! 
I did another one for PTB:
PTB, on the other hand, is heavy with male readers (62% vs. 32% female) but wiht a much lower age range of 18 to 24. That’s strange. *hehehe*
Note: The statistics are based on undisclosed size of sample data and are for proof of concept only. Actual results may vary.
What do you think the demographics will be for Bryanboy dot com? Don’t view the stats while eating or drinking…
Bah, dead even split! And minors too!