This could be due to the recent removal of spam subscriptions. If that’s the case, you’ll see an alert in YouTube Studio letting you know. Here’s more info: https://goo.gl/FNpBHB . Let us know if you see other!
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