Core Viewpoint - The proposal by the U.S. Customs and Border Protection to require visitors from 42 visa-waiver countries to provide social media history and personal information raises concerns about privacy and the definition of "hostility" towards the U.S. government [1][2][3][4]. Group 1: Proposal Details - The U.S. Customs and Border Protection plans to make social media information a mandatory part of the travel authorization application, requiring data from the past five years [1]. - Additional requirements may include biometric data, phone numbers used in the past five years, email addresses from the past ten years, and information about family members [1]. Group 2: Privacy Concerns - The proposal could significantly impact personal privacy, as it may lead to indefinite social media monitoring of nearly all non-U.S. citizens attempting to enter or stay in the U.S. [3]. - Concerns are raised about the loss of online anonymity for travelers, especially those using pseudonymous accounts [3]. Group 3: Constitutional and Ethical Implications - The requirement for social media history may not directly violate constitutional rights but contradicts the spirit of the U.S. Constitution, particularly regarding the treatment of close allies from visa-waiver countries [4]. - The tourism industry expresses dissatisfaction, noting that the proposal was not discussed with stakeholders prior to its announcement [4]. Group 4: Public Sentiment - There is a growing concern among the global public regarding the implications of past social media posts on their ability to travel, highlighting a potential backlash against such measures [5].