The University of Google. ChatGPT. Twitter pile-ons. How do we manage chaos and crises, confusion and catastrophes? How do we understand the difference between the urgent and important, the trivial and significant?Information literacy is about as attractive as teeth extraction. However, for PhD students and citizens more generally, information literacy enables us to sift and sort knowledge from opinion, and expertise from a vibe. Know what you do not know: Information literacy for PhD students provides a context around the folk devils of our time: plagiarism, self-plagiarism, influencers and populists. Most importantly, Know what you do not know demonstrates how to take notes, how to reference with clarity, and how to build an opinion into a referenced and considered argument.