Geofencing allows the government to draw a virtual fence around a geographic area where a crime was committed. After that, the government seeks a warrant not to search a home or office, but to require a tech company to search its data to identify any of its millions of users who were within the geofence line at the time of the crime.
Recent revelations from news agency Reuters that the US is "developing an online portal that will enable people in Europe and elsewhere to see content banned by their governments including hate speech and terrorist propaganda," as a method to counter what it sees as excessive censorship in other parts of the world is troubling to the EU. Even if the plans appear to have been delayed and detail is thin, the US position is clear.
On 10 December, 2025, the United States government announced that visitors wishing to enter America from any of the 42 visa waiver programme countries would have to undergo social media vetting. Visitors would also be required to disclose personal information about close family members. The notice was created by the Department of Homeland Security (DHS) and the Customs and Border Protection (CBP).