A letter sent by two US senators to the country's Customs and Border Protection authority reveals that though the US insists on e-Passports being used by visitors from countries which have a visa waiver arrangement with the US, the smart chips on these passports have not been checked since 2007 because the CBP lacks the technical capability to do so.
An employee of Mozilla based in Sweden has been denied entry to the US to attend a meeting called by the foundation which is known for its Firefox browser and other open-source software.
The US government has started asking visitors from countries that have a visa waiver arrangement with it to provide details of their social media accounts when applying for the waiver.