By me: How Google's confusing bookmarks and "apps" http://www.pcpro.co.uk/blogs/2011/02/03/google-doesnt-know-what-an-app-is/
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
By me: How Google's confusing bookmarks and "apps" http://www.pcpro.co.uk/blogs/2011/02/03/google-doesnt-know-what-an-app-is/