Namala Tilakaratna is a Senior Lecturer at the Centre for English Language Communication at the National University of Singapore. She has researched and published widely on LCT and SFL approaches to teaching critical thinking across a range of disciplines including social work and nursing. Eszter Szenes is a Lecturer at the School of Education, The University of Adelaide, Australia, and a Senior Fellow at the Center for Global Resilience and Security, Norwich University, USA. Her research interests include disciplinary and critical digital literacies, critical thinking and information disorder.