丹麦反美APP火出圈，可帮助消费者识别商品原产地以便拒绝美国商品

Group 1 - A mobile application named UdenUSA has gained popularity in Denmark, allowing consumers to identify the origin of products to avoid American goods [1][3] - The app was developed by 21-year-old Dane Jonas Pieper and his friend Malte Hensbel, responding to a growing demand among consumers who wish to boycott American products [1][2] - The application addresses the challenge consumers face in supermarkets when trying to discern the origin of food products [3]