OMG you can pin comments in YouTube live chat now. THANK YOU @TeamYouTube 
This solves so many issues. 
pic.twitter.com/XB9eMnWSQk
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
Why do I have a feeling this is a year long beta till anyone under 100k subs get it. Still havent even got Superchat stickers