*I posted this last week and I just got my coupon in the mail today. I went back to check the link and it looks like it is still available if you haven't signed-up for yours yet.
Click HERE to register for coupon (send via mail) valid for one FREE package of either 24 count Advil tablets or 20 count Advil LIQUI-GELS. This is limited to the first 500,000 who register and is limited to one per household. Must be 18 or older. Allow 1-3 weeks for the shipment of the coupon.