We're here to help. Have you checked if you've selected "Notify subscribers" under advanced settings when you publish your videos? Also, your subs can check their account and notification settings: https://goo.gl/PdDKZW . Keep us posted!
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