Always clean your links, everything from the '?' on in the link is junk and tracking your social circles (the internet is bad now)
A reminder that when you copy a link from YouTube anything after and including a question mark is unnecessary and should be deleted.
phyphor
You may have received DMs on YouTube for no particular reason, or even seen DMs being sent without you sending any.
This is because YouTube started adding your account information to any links you send.
If you find this really annoying and awful like I do, you can disable it in Settings -> Privacy
