Propagandists ramming verifiably false information into the eyeballs of credulous internet users -- now dubbed "fake news" -- is one of the most daunting, complicated issues facing social platforms today. Even the richest, most powerful tech companies with the brightest talent pools have yet to deploy anything resembling a solution. The great equaliser of the internet age is everyone's ability to broadcast their thoughts, but is it even possible to keep out those who would intentionally mislead?