Given I liked the ad video between the videos, I'd like to note the direct video address of it, so I can save and watch it again later on. How can this be achieved?
While on the ad video, right click on the content and choose Copy debug info. Then paste the content in any textarea or editor (such as notepad) and search for the line consisting
ad_debug_videoId value, e.g.
Once you copy the text string, you can replace it with your original video, e.g.