Immigration and Customs Enforcement (ICE) has used a system called Giant Oak Search Technology (GOST) to help the agency scrutinize social media posts, determine if they are “derogatory” to the U.S., and then use that information as part of immigration enforcement, according to a new cache of documents reviewed by 404 Media.
All the more reason to not visit the US.
While it seems like it's primarily built to be Islamophobic (unless you're secretly visiting to receive CIA rebel training), they can just scale this to any target group.