It is all orders including those purchased through your demo. I just got my email from su, here it is:
FREE SHIPPING ON EVERYTHING FOR THREE DAYS!
April 4, 2013
We're excited to let you know that we are offering FREE shipping on EVERYTHING April 6-8 (excluding expedited orders)! That's right. There are no minimums or limits and all order types qualify (customer, demonstrator, workshop, online). Did we mention that the free shipping is on everything?
We hope you enjoy it for your own orders and we really hope you enjoy extra sales. We think people who haven't ordered from you in a while will jump on the chance to get something that weekend since they won't have to pay for shipping.
So make sure to remind your contacts and customers to get our latest and greatest for less; we have a new This and That product line that's a cool way to document life on-the-go. And we have amazing new photopolymer stamps that they'll want to try. Make sure to send out the free shipping e-card provided in your Demonstrator Business Web Services (DBWS).
Free shipping starts: Saturday, April 6, 2013; 12:00 AM (MT)