At Oxfam we are continually developing our use of digital technology for surveys. Here Simone Lombardini and Emily Tomkys Valteri reflect on lessons learnt from the process of using and sharing real-time data during fieldwork to conduct Oxfam’s Effectiveness Reviews. In 2015 Oxfam’s Impact Evaluation Advisers started using digital devices to conduct household surveys for Oxfam’s Effectiveness Reviews (ex-post, quasi-experimental …