@YouTube Can someone explain why is my account suddenly subscribed to many channels I never subscribed to ? 
Hmm, are you using any third-party extensions? You may be experiencing an issue in which third party extensions subscribe you to channels without your permission. More here: https://yt.be/help/rjLN . You can also pass this along via the Send Feedback tool: https://yt.be/help/feedback
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Hello, not that I know of, I noticed that just today - topics I sometimes watch, but never saw the channels I "got" subbed to. I'll check it out, thank you
Thanks. Twitter will use this to make your timeline better. UndoUndo
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