Just found this offer for Macy's on SD. I did not find it on any of my cards. Good Luck if you can find this on your cards. Unfortunately this offer is not available via Twitter.
Amex Offers - Macy's $15 back when you spend $100
Valid in-store, online at macys.com, and via phone at 1-800-289-6229. Exclude parking garages, Nespresso, pop-up stores, USPS, Stride Rite, Aeropostale, and dining within stores including Au Bon Pain, Starbucks, and Pinkberry. Orders shipped to international locations excluded. Enrollment limited. Offer is non-transferable. If you order an item during the offer period but it is not sent to you until after 11/30/14, it may not count towards determining whether your purchase qualifies for the offer. Must add offer to Card and use same Card to redeem. Limit 1 statement credit per American Express online account. Statement credit will appear on your billing statement within 90 days after 11/30/14, provided that American Express receives information from the merchant about your qualifying purchase. Note that American Express may not receive information about your qualifying purchase from merchant until all items from your qualifying purchase have been provided/shipped by merchant. Statement credit may be reversed if qualifying purchase is returned/cancelled. If American Express does not receive information that identifies your transaction as qualifying for the offer, you will not receive the statement credit. For example, your transaction will not qualify if it is not made directly with the merchant. In addition, in most cases, you will not receive the statement credit if your transaction is made with an electronic wallet or through a third party or if the merchant uses a mobile or wireless card reader to process it. POID: BL03:0001
Amex Offers - Macy's $15 back when you spend $100
Valid in-store, online at macys.com, and via phone at 1-800-289-6229. Exclude parking garages, Nespresso, pop-up stores, USPS, Stride Rite, Aeropostale, and dining within stores including Au Bon Pain, Starbucks, and Pinkberry. Orders shipped to international locations excluded. Enrollment limited. Offer is non-transferable. If you order an item during the offer period but it is not sent to you until after 11/30/14, it may not count towards determining whether your purchase qualifies for the offer. Must add offer to Card and use same Card to redeem. Limit 1 statement credit per American Express online account. Statement credit will appear on your billing statement within 90 days after 11/30/14, provided that American Express receives information from the merchant about your qualifying purchase. Note that American Express may not receive information about your qualifying purchase from merchant until all items from your qualifying purchase have been provided/shipped by merchant. Statement credit may be reversed if qualifying purchase is returned/cancelled. If American Express does not receive information that identifies your transaction as qualifying for the offer, you will not receive the statement credit. For example, your transaction will not qualify if it is not made directly with the merchant. In addition, in most cases, you will not receive the statement credit if your transaction is made with an electronic wallet or through a third party or if the merchant uses a mobile or wireless card reader to process it. POID: BL03:0001