Genius SNCF guerrilla marketing: The Escape Machine http://www.fastcodesign.com/1663501/genius-marketing-single-button-turns-huge-black-box-into-a-mobile-disco …
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
Genius SNCF guerrilla marketing: The Escape Machine http://www.fastcodesign.com/1663501/genius-marketing-single-button-turns-huge-black-box-into-a-mobile-disco …