How the tech industry is fighting deepfakes

Facebook is teaming up with Microsoft to launch a contest to detect manipulated video. It's the tech industry's latest offensive in fighting deepfake technology, which has become a critical issue to companies like Facebook, Twitter, and Youtube, and in its potential to spread misinformation in the 2020 presidential election. We'll take a deeper look at the technology, how it works, the companies behind them, and what social media companies are doing to contain the threat.