Chick-fil-A makes an effort to advertise on multiple platforms, including Twitter. Before coming to your interview, check out their Twitter, Facebook and Instagram so that you can speak to multiple advertising campaigns. You don't even need to join these platforms to see Chick-fil-A's posts. If you know the last tweet, describe it your interviewer. If you follow them on Twitter but can't remember the latest tweet, speak to an earlier one that you do remember.