People talking about fake news. But how far can we go exactly?

Nowadays,
We only hear "Fake News"
But what is fakenews actually?

What is the next step, using stuff like FACE2FACE ?
http://www.graphics.stanford.edu/~niessner/thies2016face.html

Or maybe a bit of "Adobe Voco" ?

How far can we be manipulated by the clowns?

PS just referring