The next viral video you watch COULD be fake: want to tell the difference?

Without going into too much of a philosophical debate about the 'real' versus the 'virtual' worlds, are you able to tell when that viral video of a photographer being jumped at by a lion in the wild is real or not?

How about if we told you that there's a team of naughty people that have been tricking you into sharing 'viral videos' of things that actually didn't happen?

How do they do it? Learn more below.