Guest Author: Güneş Tavmen In June 2015, on a Sunday afternoon, I was walking around the centre of Sheffield to buy an outfit to wear while presenting at my first major academic conference. Having forgotten the dress I had prepared at home, I was desperately trying to fix something that would make me look fairly presentable. … Continue reading [BigDataSur] Widening the field of Critical Data Studies: reflections on four years of DATA POWER