McDVoice is an online survey platform developed by McDonald’s, a popular fast-food restaurant chain. Customers who participate in the McDVoice survey can share their opinions about various aspects of their dining experience at McDonald’s restaurants. From the quality of food and speed of service to the cleanliness and friendliness of staff members, customers who provide feedback may receive rewards such as free food or discounts on future visits to McDonald’s. Customers may receive rewards like free food or discounts on future orders in exchange for their responses.