Ministry of Truth is the BBC - George Orwell based Ministry of Truth on the BBC. Who are basically the followers of Sigmund Freud's nephew, who in turn followed his uncle, who followed Charcot (and Egyptian religion) who followed Mesmer's Animal Magnetism.
Ie people's eyes are generally hooked on sex and glamour, using that you can change their behaviour. It's called Public Relations and is used by advertising firms.
Advertise, advertise, advertise.