sign up with Facebook

Description sign up with Facebook Input : User is presented with the icons from the service providers above to authenticate to our site. [there maybe a popup for authentication window from the provider, at which point the user uses their own credentials with the service provider to authenticate - after which the application returns to our website] Output : information is written into sql db and send by post User's name User's email address Country User's unique ID other password for our web phone number - if any field not returned, we need the system to ask for the user to enter it before authentication is fully completed.