Tourists from dozens of countries including the UK could be asked to provide a five-year social media history as a condition of entry to the United States, under a new proposal unveiled by American officials.
The new condition would affect people from dozens of countries who are eligible to visit the US for 90 days without a visa, as long as they have filled out an Electronic System for Travel Authorization (ESTA) form.
Since returning to the White House in January, President Donald Trump has moved to toughen US borders more generally - citing national security as a key reason.
Analysts say the new plan could pose an obstacle to potential visitors, or harm their digital rights.
Asked whether the proposal could lead to a steep drop-off in tourism to the US, Trump said he was not concerned.
"No. We're doing so well," Trump said on Wednesday.
"We just want people to come over here, and safe. We want safety. We want security. We want to make sure we're not letting the wrong people come enter our country."
https://www.bbc.com/news/articles/c1dz0g2ykpeo