The piece highlights six lesser-known features of Chrome's DevTools, focusing specifically on the first three. The author, fresh from the TechBash conference where Mike Rapa presented on browser devtools, emphasizes practical tools that can enhance debugging efficiency. First, the use of `console.time()` and `console.timeEnd()` allows developers to track the duration of specific code executions. This can be particularly useful for diagnosing issues such as unexpected behavior in `setTimeout` functions. The author provides a practical example, showing how to measure the time a timer is set and when it is cleared, which can help streamline debugging processes. Next, the article explains how to set DOM breakpoints. This feature pauses JavaScript execution when a specified DOM element changes, allowing developers to inspect what code triggered the modification. This can be invaluable when dealing with dynamic content or third-party scripts. Lastly, it discusses the ability to attach listeners to any function using `monitor`, which helps track function calls in third-party scripts without needing direct access to their code. This capability simplifies debugging interactions that may be difficult to trace otherwise. These insights provide developers with powerful tools to improve their workflow and enhance their understanding of how their code interacts with the browser environment.