Thanks to the new communication technologies there are new public signs on the horizon.

“Touch and Travel eliminates the need to purchase tickets prior to boarding a bus or train, making travel faster and less complicated as passengers will be able to use their mobile phone as a ticket. The ticketing information is securely stored on the cell phone’s SIM card and can be checked although the batteries have run down.
The technology behind, Near Field Communications, is a new short-range wireless connectivity technology that evolved from a combination of existing contactless identification and interconnection technologies. Products with built-in NFC will dramatically simplify the way consumer devices interact with one another, helping people speed connections, receive and share information and even make fast and secure payments.”
NFC Project “Touch&Travel”

via Touch by Timo Arnall