London tube to get WiFi in time for Olympics but its not all good news

The mayor of London has announced plans to introduce a Wi-Fi service for parts of the city's tube network in time for the Olympics, though the service will be limited to particular parts of the underground system.

Source:
http://www.digitaltrends.com/mobile/london-tube-to-get-wi-fi-in-time-for-olympics-but-its-not-all-good-news/