might be a targeted offer. I received the email from PayPal.
20% off iTunes codes on $25, $50, $100.

Expires 10/21/2015, while supplies last. Exclusion applies.

*PayPal Digital Gifts Offer Terms
The 20% off offer is only applicable to iTunes Code valued at $25, $50 and $100. Offer is not valid for other iTunes Code denominations, including, but not limited to $15. Offer is valid while supplies last; limited quantity available. Offer only valid for the PayPal account associated with this email address; this offer is non-transferable, not redeemable for cash and not for resale. Only available fromOct 19, 2015(12:00 AM PST) toOct 21, 2015(11:59 PM PST). May not be combined with other coupons or discounts.