@roelvangils Gmail biedt hiervoor een handige ‘Undo Send’ feature: http://gmailblog.blogspot.com/2009/03/new-in-labs-undo-send.html
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
@roelvangils Gmail biedt hiervoor een handige ‘Undo Send’ feature: http://gmailblog.blogspot.com/2009/03/new-in-labs-undo-send.html