US Bluesky users should be careful with what they post: all posts are archived. And I guess European social media users planning to visit the US should be aware that their posts can be used against them by the Trump regime too.
https://www.404media.co/the-200-sites-an-ice-surveillance-contractor-is-monitoring/
Two ('leftist') German and one English tourist have already been detained after entering the US with valid travel documents. https://www.welingelichtekringen.nl/samenleving/twee-duitse-en-een-engelse-toeriste-in-grensdetentie-is-het-voor-linkse-europeanen-nog-veilig-naar-de-vs-te-gaan
Just to be clear: I am not advocating self-censorship. But it's good to be aware of the consequences under the Trump regime.
People from up to 43 countries can expect to be barred from entering the US anyway: https://www.euronews.com/2025/03/15/us-considering-travel-ban-on-11-countries-new-york-times-reports
@Sustainable2050
A bit more detail on trump State Department proposed travel bans — all unconfirmed at this time.
https://time.com/7268645/trump-travel-ban-2025-reports-countries-at-risk/