Remember the ads of yore? Take a look at these 15 vintage fast-food ads to see just how much advertising has changed.

ABC News’ Alexis Christoforous reports on e.l.f. Beauty’s acquisition of Hailey Bieber's skincare brand. Bobby Parrish exposes little-known facts about McDonald’s Shamrock Shake that most customers ...

Get the detailed quarterly/annual income statement for Shake Shack Inc. (SHAK). Find out the revenue, expenses and profit or loss over the last fiscal year.