Wait, how does Amazon Music's website automatically open their app without invoking a protocol handler? Oh.pic.twitter.com/WPH6gnmg5p
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
My experience says 50% chance that origin check is there but easily bypassable (either allows HTTP origin, accepts the whitelisted origin host elsewhere in the URL, or simar)
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.