Dad says: "Ah, my son, I guess one day you will need to find out anyway!" and ponders how to put it in words the lad can understand.

"Well," he finally says, "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 sneaked 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 it was too late to hit the delete button."

"Then what?" the boy asked.