(What a deal!) Rosenberg renamed his popular restaurant “Dunkin’ Donuts” in 1950. You can always order a custom French Vanilla or Pumpkin Spice Latte. But Dunkin’ Donuts also has a secret ...

But pumpkin spice lattes is not the only way Dunkin’ Donuts is competing with Starbucks this fall – both have now introduced instant-win mobile campaigns to entice customers into their stores.