Explore the intricacies of volatile in C and C++ programming in this conference talk from NDC TechTown 2021. Delve into the historical context, use cases, and semantics of volatile objects and access. Examine the current standards, implementation-defined behaviors, and potential future revisions. Learn about volatile qualification, static and const volatile, data races, and compound assignments. Analyze real-world examples from Chromium and command decoders. Discover the relationship between volatile and atomic operations, and understand the implications for lvalues and data volatility. Gain insights into the upcoming C23 language changes related to volatile.