Yo @TeamYouTube This is not okay and needs fixed ASAP.https://twitter.com/TechnicalDIY/status/1171173453287895043 …
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
5 notifications for an upload per 24 hours. 1 per community post per 24 hours, both Channel Members and Public posts count against this.
However, if a video is doing really well it will make sure your video starts showing up as suggested videos next to whatever the user happens to be watching even on other channels. So I guess that's a form of notification also, it's a very complex matrix that's ever changing.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.