If the video was reading the actual url in real time, then, if I add another query string parameter it should show up on the video. Which is not the case. So I assume it was somehow edited.
I once worked on an analytics product for a company. The product would get the details of your machine's hardware details, commonly used softwares, most visited websites and so on.
This product was installed on selected list of people who where made aware of the data being collected.