Recorded 29 November 2023. Michael Freedman of Microsoft Research presents "Entanglement of Sections" at IPAM's Topology, Quantum Error Correction and Quantum Gravity Workshop. Abstract: I'll explain, through examples, how quantum information works in parameter families. Join work with Matt Hastings. Learn more online at: https://www.ipam.ucla.edu/programs/workshops/workshop-iv-topology-quantum-error-correction-and-quantum-gravity/