London 2012: an etiquette guide for Olympics visitors http://www.guardian.co.uk/sport/2012/jul/16/etiquette-guide-visitors-london-olympics …
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
London 2012: an etiquette guide for Olympics visitors http://www.guardian.co.uk/sport/2012/jul/16/etiquette-guide-visitors-london-olympics …