As Orwell knew only too well, if the concept of objective truth is moved into the dustbin of history there can be no lies. And if there are no lies there can be no justice, no rights and no wrongs.
Will the arrival and popularity of Oculus Go and other VR systems make us think differently about alternative realities and so-called alternative facts?
Intuition is just one of many factors that shape what you believe.
Reports of facts' death have been greatly exaggerated. Effective communication jettisons the false dilemma in favor of a more holistic view of how people take in new information on contentious topics.
Beneath simple labels like post-truth, alternative facts and fake news is a complex set of issues. Any debate about the problems needs to start from some common points of reference.
When it comes to facts versus opinions, just remember that not all facts have been true, and not all opinions should be dismissed either.
Alternate realities don't just exist in politics – and not all falsehoods are lies. Distortions of the truth can range from a normal part of human nature to pathological.