Free Wi-Fi using a Facebook credential is on the way
 

Facebook is plotting with Cisco to obtain demographic and user social data in return for free mobile Wi-Fi in places like restaurants. The service is called Facebook Wi-Fi Service, and all a network seeker has to do is authenticate using their Facebook credential. This particular login process is very similar that of the Facebook login [...]

http://vr-zone.com/articles/free-wi-...credential-way