@TeamYouTube these bugs are getting annoying.pic.twitter.com/x3JYIjuP4s
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
Sometimes, I get another bug that when I pull up the next videos while still in full screen, the thumbnails are extra small. I have taken your advice as well so hopefully it works. 
Sure, it should work. If it doesn't we're just a tweet away.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.