Explore the critical intersection of privacy and mixed reality technology in this 28-minute talk from the Mozilla Developer Roadshow EU. Gain insights into the challenges posed by always-on cameras and sensors in mixed reality devices, and discover Mozilla's innovative approach to developing an immersive web browser and social VR platform that prioritizes user privacy. Learn from Diane Hosfelt, the security lead for Mozilla's Mixed Reality team, as she discusses the existential importance of privacy in this emerging field and shares strategies for empowering users. Understand how Mozilla balances technological advancement with robust security measures, including their collaboration with the Rust Project to enhance security through formal methods and unsafe code guidelines.