This module will help your users to login to the site using the popular social networking or email account. Enable Social Sign In for your Joomla website.
Demo can be seen here http://joomla.thakkertech.com/
This module uses Janrain (formerly RPX) and Janrain (formerly RPX) helps users sign-in to your website using an account they already have at:
So your users can bypass the extensive process of joining the site and can use their existing accounts into your site, and you can see username, email into your User manager through joomla admin.
Joomla admins will receive the email notifying user has sign-up using the RPX mod. So admin can track how many users used this mod on your site to register.
NEW UPDATE INCLUDES :
check the update image here http://www.facebook.com/photo.php?pid=194894&fbid=142327165809620&id=135605919815078