The adjective "Orwellian" connotes an attitude and a policy of control by propaganda, surveillance, misinformation, denial of truth and manipulation of the past. In "Nineteen Eighty-Four", Orwell described a totalitarian government that controlled thought by controlling language, making certain ideas literally unthinkable. Several words and phrases from "Nineteen Eighty-Four" have entered popular language. "Newspeak" is a simplified and obfuscatory language designed to make independent thought impossible. "Doublethink" means holding two contradictory beliefs simultaneously. The "Thought Police" are those who suppress all dissenting opinion. "Prolefeed" is homogenised, manufactured superficial literature, film and music used to control and indoctrinate the populace through docility. "Big Brother" is a supreme dictator who watches everyone.