How the Internet is making us all extremists

Let's be clear: extremism doesn't begin with a pulled trigger. It ends there. And the Internet, despite all the wonders it has done for the world, has probably been one of the best incubators for extremist thought.


Should we condone hate speech?

Facebook, YouTube, Microsoft and Twitter have just pledged to censor and remove hate speech from their sites. But what is hate speech, and what should we do about it?