>>75179335pasting a normal yt link such as
https://www.youtube.com/watch?v=zKWksk3wBqM has no tracking information.
now, if you do like
>>75177352 did, the last portion after si= is a source identifier. when someone clicks it, google (in this case) knows which account the link originated from and now also knows what other accounts click that specific link. it goes into the analytics, and is an aggregated count for where the viewers come from
