America is finally waking up to the fact that the internet is an increasingly hostile and unsafe place to do business, hang out or share with friends.

The epicenter of the problem tends to be at social media networks—specifically Twitter, YouTube and Facebook—where Russian bots, fake news, creepy ad tracking, political polarization, sketchy videos and oh so many internet trolls can be found. While the ad revenue is still pouring in, it’s no wonder people are limiting what they share and how they interact online.

Evan...