The United States has shifted its focus from privacy protection to business-friendly information use under the Trump administration, causing friction with European countries. This change has also impacted Korea, potentially leading to trade disputes. The key differences in privacy protections between Europe and the U.S. are significant. The recent trends in U.S. privacy laws show a relaxation of regulations, raising concerns about privacy breaches. It is crucial to balance privacy protection and data utilization during the Fourth Industrial Revolution.