Apptha -
Magento Facebook Social
Magento Facebook Social extension lets the store owners to effortlessly integrate the product pages into the social graph with Facebook;s open graph protocol. WIth this plugin it is easy to generate new fans and customers. It also act as a viral advertisement tool of your magento store by allowing the consumers to promote your products to a new network with just a single click.

General Features

  • User login and sign-up using Facebook account

  • Post on customer's Facebook wall

  • Attract visitors through biggest social network

  • Improve your Facebook presence

  • Socialize your products through FB

  • Privacy settings for user