Facebook social plugins are a quick and easy way to extend your social reach and engage your website’s visitors with social interaction. It is of one of the best ways of free social marketing of your website as more and more internet users are regularly using facebook. So any website not leveraging its marketing campaign through facebook is truly missing the opportunity.
In the simplest form, you can add a Like button (you can see like button on this page too!) to your pages. Like button lets users to share your site content with friends on facebook instantly. This will increase traffic and branding for the website.
Adding a facebook like button is very easy with Joomla website. Just install and enable plugin or module which will do the work and enjoy social marketing. I have used following plugins for Joomla 2.5.x version and can safely recommend: