A third party extension can cause subscribing to channels without your permission. For further details: https://yt.be/help/rjLN
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
A third party extension can cause subscribing to channels without your permission. For further details: https://yt.be/help/rjLN