Dunkin' Donuts is inviting its customers to participate in a survey to provide feedback on their experience. The survey can be accessed at https://www.dunkinrunsonyou.com.co/ and upon completion, participants will get a chance to win a free donut from Dunkin' Donuts. This is a great opportunity for customers to share their thoughts and suggestions, and also to enjoy a free treat from the restaurant. Your feedback is valuable to Dunkin' Donuts as they continue to strive for customer satisfaction.