Yes, it started yesterday and runs until and including March 8 (28 days).
$1 any size hot coffee
$1 small or medium iced coffee
$2 small or medium latte (cappuccino as well)
Vanilla or caramel iced coffee is $1.40 for small or medium. Large iced coffees are showing as regular price on the app.
Vanilla or caramel latte is $2.40 for small or medium. Large lattes are showing on the app as $3.10 for regular and $3.50 for vanilla and caramel flavors.