Core Viewpoint - The article highlights a consumer movement in Denmark aimed at resisting American goods following Trump's threats to annex Greenland, with the launch of two mobile applications to assist in this effort [1] Group 1: Consumer Behavior - Danish developers have introduced two mobile applications to help consumers identify and boycott products sourced from the United States [1] - Both applications have surpassed 100,000 downloads this year, indicating widespread user engagement across Europe and other regions [1] - Danish consumers express a desire to communicate their discontent with American actions, despite current technological limitations in fully resisting all American products [1]

Core Viewpoint - The dissatisfaction among Danish citizens regarding the U.S. demand for Greenland is manifesting in consumer behavior, leading to the popularity of a mobile application designed to help identify the origin of products to avoid American goods [1] Group 1: Application Development - The application named UdenUSA, meaning "No USA," was developed by 21-year-old Dane Jonas Pieper and his friend Malte Hensbel [1] - The app addresses consumer demand for avoiding American food products by providing information on the origin of each item in supermarkets [1] Group 2: Consumer Behavior - Many consumers in Denmark are eager to avoid purchasing American-made food products but find it challenging to identify the origin of products while shopping [1] - The UdenUSA app has gained significant popularity in Denmark, indicating a shift in consumer preferences towards local products [1]