How to convince someone: Currency of the modern age

In an era of never-ending opinions and fake news, this seems fairly important.

Knowing how to convince someone -- of anything, really -- seems like a major deal in the modern world. About 50 percent of the Internet-connected global population uses some form of social media, which is a giant echo chamber where your views get reinforced consistently. In such a context, it's hard for people to become comfortable with ideas opposite w…