Over the past few years, social media has become an enormous part of the lives of many. Studies show we spend hours online per day, and much of this time is spent perusing Facebook, Twitter, Instagram and the like. And apart from stalking old school friends who have become more successful than you, or (for some) discovering what Kim K’s latest move is, these have also become platforms for people to openly share their views, exercise their right to free speech, and learn what others think about relevant and important issues. This activity on social media has led to many news publishers embedding tweets in their online stories, or further, basing an entire story around a strong public reaction to a tweet. So, we decided to ask ‘why?’