Handles, usually indicated by an @ sign in front of a name or nickname, are useful for people who want to create an identity, indicate their opinions, or make a joke — and many social networks, such as Twitter, TikTok, and Facebook, have adopted it. Now, finally, YouTube is as well — and not just for its established creators.
Until recently, the only people who had YouTube handles — individual URLs that allow people to find your videos — were those who had at least 100 subscribers….