If you're referring to the "latest videos" section, it's just another option to refresh the homepage to show the latest uploads. Hope this clarifies!
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
If you're referring to the "latest videos" section, it's just another option to refresh the homepage to show the latest uploads. Hope this clarifies!