You've probably already seen this @cchruk, (you're normally way ahead of me), but just in case you haven't... >
http://www.bostonglobe.com/metro/2013/12/15/justina/vnwzbbNdiodSD7WDTh6xZI/story.html?s_campaign=sm_tw …
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
You've probably already seen this @cchruk, (you're normally way ahead of me), but just in case you haven't... >
http://www.bostonglobe.com/metro/2013/12/15/justina/vnwzbbNdiodSD7WDTh6xZI/story.html?s_campaign=sm_tw …