What you need to know depends on what you want to achieve, depends on what you know already, depends on what you wanted to achieve.
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
What you need to know depends on what you want to achieve, depends on what you know already, depends on what you wanted to achieve.