As many offer free food for National Cheeseburger Day, Shake Shack shines

Cheeseburger lovers rejoice: Today is your day.
National Cheeseburger Day (or Sept. 18, as vegetarians know it) brings with
it a celebration of the food item—along with a chance for marketers to
offer consumers free food.
Here’s a rundown of brand managers who are taking part in delicious
promotions today:McDonald’sis offering 100,000 free burgers through its “My Macca” app.BurgerFi is selling its double angus burger for $5 when you mention the deal atthe register.