Fake news is one of the defining problems of this decade. And no, I don’t mean ‘fake news’ in the way President Trump uses the term, which for him simply means any news he doesn’t agree with or like. I mean fake news in the ‘factually-inaccurate-but-widely-shared-news-story’ kind of way. I’m talking about Pizzagate, Pope Francis ‘endorsing’ candidate Trump or Donald Trump sending his personal plane to save stranded marines (all of which were demonstrably false but enjoyed viral distribution). Regardless of your political persuasion, experts agree a huge influx of actual fake news notably impacted the 2016 election, with some even suggesting it was the deciding factor. I certainly don’t know if it was actually the ‘deciding’ factor in the 2016 election, but I do know from my own personal experience existing in a digital world dominated by social media that fake news is a large and growing problem. And the sheer influx of total content, multiplied by a population with subpar 21st century media literacy, means this problem isn’t going anywhere, and it just might be an existential threat to democracy.
Can AI save the day?
Some academic research for you:
So — in the 2016 election alone, it was a pretty big problem. But what about the larger implications? A democracy can’t function without an agreed upon framework for facts. If two sides of any issue cannot agree on what’s real and what’s not, there’s no infrastructure for discourse. Truth and factual accuracy undergirds American democracy, so getting this right is paramount.
“The sheer amount of content generated today makes human filtering impossible. The only hope is automating the detection and neutralizing of fake content”, according to ZDNet — a sentiment with which I agree. So that’s why/how AI might be the key to this problem.
But what would that look like?
There are two teams working on this issue showing promise.
In Hierarchical Propagation Networks for Fake News Detection, researchers looked at how fake news moves through our consumption networks to see if it’s distinguishable from how real news is distributed.
From ZDNet: “The researchers, from Arizona State and Penn State, used the FakeNewsNet data repository and modeled the links between real and fake news, including tweets. They analyzed the resulting network graphs, and discovered that there are, indeed, significant differences between how real news and fake news spread through our social networks. Metrics cover such macro structural issues as tree depth and number of nodes, as well as temporal issues such as the time difference between the first tweet and the last retweets. The micro level of user conversations includes metrics such as how long a conversation tree lasts, as well as the sentiment expressed in retweets.”
So if the way fake information moves through our networks is quantifiably different, perhaps AI can identify it and block it in its tracks.
Another team is working on a more structural change in how news is created and shared, which relies on blockchain.
Researchers at Pakistan’s Information Technology University want to use Blockchain to Rein in The New Post-Truth World and Check The Spread of Fake News. Again from ZDNet: “Their proposed architecture has three blockchain based components: a publisher management protocol (PMC); a smart contract for the news; and, a news blockchain. The PMC uses three smart contracts to enroll, update, and revoke the identities of news organizations. The smart news contract is used to publish news, and ensures that the content is as originally published, and includes publisher and verification data. Finally, the news blockchain guards against malicious alterations and includes a proof-of-truthfulness method that makes it easy to confirm validity.”
This would require a complete rewrite of how news is created, how it’s distributed and how it’s consumed. I’m a little less convinced by this approach, but bold ideas are required to conquer existential threats.
All in all, fake news is a large and growing problem. But hopefully, advances in AI and commitment from necessary stakeholders will allow us to get a handle on things sooner rather than later.
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