This add-on essentially dimmed the screen around a video that you were watching on a website. I liked that it was pretty easy to use, just one click of the add-on turned the screen dim, and the fact that it made for a better experience while watching a short video on a busy website. When on social media sites like Facebook or even newspaper websites such as the NYT, you might not want to watch a full screen video for a minute in a half. Yet, it would be helpful if you could adjust the level of dimness based on preference or situation of what you're watching. Also, once you turn on the application you can't zoom in or out anymore. It would be useful if you could do that while the extension is operating.