Explore the concept of Dark Data in this 28-minute talk by Tim Musson from The Cyber Academy. Delve into the definition of Dark Data, its retention practices, and the importance of Information Overload Disorder (IOD). Examine the reasons behind data collection and processing, with a focus on personal data. Learn about the legal requirements for data processing and retention. Conclude with a Q&A session to address any remaining questions on this critical topic in modern data management.