Explore the fascinating world of fractons and quantum theories with exotic symmetry in this comprehensive lecture delivered by Kristan Jensen at the Erwin Schrödinger International Institute for Mathematics and Physics. Delve into cutting-edge concepts as part of the Thematic Programme on "Carrollian Physics and Holography" held at ESI. Gain insights into the intricate relationship between fractons and quantum theories, uncovering the unique properties and implications of exotic symmetries in these systems. Expand your understanding of advanced physics topics through this in-depth presentation, which offers a valuable opportunity to explore the frontiers of theoretical physics and mathematical research.