This chilling paragraph is in a comprehensive Brookings report about the use of tech to deport people from the US: > The administration has also adapted its methods of social media surveillance. > Though agencies like the State Department have gathered millions of handles > and monitored political discussions online, the Trump administration has been > more explicit in who it’s targeting. Secretary of State Marco Rubio announced > a new, zero-tolerance “Catch and Revoke” strategy, which uses AI to monitor > the public speech of foreign nationals and revoke visas...

Good tutorial by Micah Lee. It includes some nonobvious use cases.