If Faisal Islam, Ralph Keyes and theNew York Timesare to be believed, the Trump candidacy and the vote for Brexit show we've entered a post-truth era – a world where emotion and populism win out over facts and experts. But is it true? And do emotional appeals really trump facts and figures?

Trump’s Presidential win left half the world aghast, and the other half saying ‘I told you so’, raising all kinds of questions about the flow of information online. And it's led to a call for social platforms and media outlets to take some responsibility. But is it too little, too late?

What makes content shareable? Why would someone share a video campaign on Facebook? Or tweet about a brand? Marketing professor Dr. Zoey Chen, who co-authored a paper with Jonah Berger, sat down with Canvas8 to explain how the way we discover content online affects the way we share it.

The American election brought the issue of fake news into such sharp focus that Facebook boss Mark Zuckerberg pledged to take steps to address it. Those steps are now coming to fruition in the form of flags that let readers and third-party fact checkers mark stories as ‘disputed’.