Use this link and you can Earn: (and I will earn!)
EACH FRIEND CAN EARN:
Bonus Miles & 5,000 Medallion® Qualification Miles (MQMs) after they make $2,000 in purchases on their new Card and up to $100 back in statement credits for eligible purchases at US restaurants within their first 3 months. Your friend will be able to choose from all available Delta SkyMiles American Express Cards. You can receive your referral bonus no matter what Card your friend is approved for.