Can an algorithm tell if you're a terrorist? Can it predict if you'll be a productive member of society?
U.S. immigration officials are trying to answer those questions. They hope to build an automated computer system to help determine who gets to visit or immigrate to the United States.
Immigration and Customs Enforcement, or ICE, wants to use techniques from the world of big data to screen visa applicants. The project would scour all publicly available data, including social media.
But the idea has some critics — including many tech experts — worried.