Shake Shack Offers Free Chicken or Steak Sandwich Next Week Based on Oscars Length
• Shake Shack offering free Chicken Shack or SmokeShack on Monday based on Oscars length • If over 3 hrs 31 mins, get free Chicken Shack; if under, get free SmokeShack • Marketing agency predicted Oscars length will be 3 hrs 31 mins • Must make $10 minimum purchase to get free sandwich • Promo runs Monday, March 11 through Monday, March 18 in-store, online, or on app