Adam Ford sits down with Tim van Gelder to talk about Collective Wisdom, Gamification & Hive Minds published on October 15, 2013. Tim van Gelder in interested “Defined narrowly, epistemology is the study of knowledge and justified belief. As the study of knowledge, epistemology is concerned with the following questions: What are the necessary and sufficient conditions of knowledge? What are its sources? What is its structure, and what are its limits?