In this talk, the speaker discusses power profiling with the Firefox Profiler. They explain what the Firefox Profiler is, how it works, and why power profiling is important. They demonstrate how to use the profiler and share examples of power profiles captured on different devices. The speaker also discusses the challenges and limitations of power profiling on various operating systems. They conclude the talk by mentioning the Firefox task manager and the ability to profile CPU usage even without power profiling. Overall, the talk emphasizes the importance of power profiling in understanding and optimizing power usage in software development.