How was I born?

SON SAYS: Daddy, how was I born? DAD SAYS: Ah, well, my son, one day you will need to find out anyway... Mom and dad got together in a chat room on MSN. Dad set up a date via e-mail with your mom and we met at a cybercafe. We sneaked into a secluded room, and then your mother downloaded from dad's memory stick. As soon as dad was ready for an upload, it was discovered that neither one of us had used a firewall. Since it was too late to hit the delete button, nine months later the blessed little virus appeared. And that's the story.