While we can't share specifics, you could check our policies on Community Guidelines: https://goo.gl/ZfhqCX . Hope this helps.
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
While we can't share specifics, you could check our policies on Community Guidelines: https://goo.gl/ZfhqCX . Hope this helps.