How much should tech firms police hate speech?

How much should tech firms police hate speech?

In the wake of racist demonstrations that turned violent over the weekend, thoughts turn to how tech can help. On one hand, neo-Nazi website Daily Stormer was kicked off GoDaddy then denied a home by Google, and AirBnb has blocked users that used the site to organize the rally. On the other, white supremacist content is rife on sites like Twitter and Facebook. Wired investigates how Internet firms must balance freedom of expression with a moral duty to use tech tools to fight hate.