Modern version of the birds and the bees!
<nicked from an obscure forum>
Child SAYS: Daddy, how was I born?
Dad SAYS: Ah, my son, I guess one day you will need to find out anyway! Well, you see your Mom and I first got together in a chat room on MSN. Then I set up a date via e-mail with your mom and we met at a cyber-cafe.
We snuck into a secluded room, where your mother agreed to a download from my hard drive. As soon as I was ready to upload, we discovered that neither one of us had used a firewall, and since it was too late to hit the delete button, nine months later a blessed little Pop- Up appeared and said: You've Got Male!