Here's a deal most families wouldn't expect to find at a fast-food restaurant: Put your phone away and get a free dessert. A Chick-fil-A location in Towson Place, Maryland, is offering complimentary Icedream(R) Cones to customers who agree to stash their phones in a container for the duration of their meal. The promotion is called the "Chick-fil-A(R) Cell Phone Coop Challenge," and it's a limited in-store initiative - not a nationwide rollout. Scroll below for everything to know about the offer. How the Chick-fil-A Cell Phone Coop Challenge Works The concept is refreshingly simple.