丹麦反美APP火了，可甄别哪些是美国商品

Group 1 - The core idea of the article is the rising popularity of a Danish app named UdenUSA, which helps consumers identify the origin of products to avoid purchasing American goods [1] - The app was developed in response to growing dissatisfaction among Danish citizens regarding the U.S. claim over Greenland, reflecting a broader sentiment against American products [1] - UdenUSA allows users to easily discern the origin of products in supermarkets, addressing the challenge consumers face in identifying product origins [1]