Chrome 58 should be hitting stable soon-ish. Here's what's new in DevTools: https://developers.google.com/web/updates/2017/03/devtools-release-notes …pic.twitter.com/E25X2WIW4F
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
Give or take. Not all users get updated at the same time