Create-A-Sim Demo Creations

I got an e-mail, but I missed it because it was in my "promotions" folder. I learned I had the demo quite by accident.

In the email (I did finally find it) it said the criteria were a Sims 3 player and had given EA permission to send updates.

Edit: Actual wording.

"You have been specifically selected for this trial because of your experience with The Sims 3 and because you have opted-in to receive communications from EA. "

I still think it's for the most part random.