I received the below offer on my DD account. Not sure if it is targeted but I received it on multiple accounts.
"Do you want an extra $2 on your DD Card? All you need to do is make 1 purchase with your Perks enrolled DD Card between 5/31 - 6/7 & Dunkin'' will add an additional $2 onto your DD Card! Limit one $2 bonus per Perks member. $2 Value will be added by 6/9/16.
$2 Value will be added by 6/9/16. DD Perks Program accepted only at U.S. participating Dunkin’ Donuts stores."