By Daniel Brennan As I’m very sure you’re aware, just a few weeks ago in Christchurch, New Zealand, one of the worst mass shootings in recent memory occurred as a far-right gunman charged into several mosques in the city, murdering 50 Muslims and injuring a further 50. One of the major defining features of this horrible tragedy is the role social media and online culture … [Read more...] about Opinion: Christchurch, YouTube and the alt-right – all of this could have been avoided