Whether you are a small business owner looking to display your latest reviews on your website, a developer seeking to implement social login, or simply a user trying to connect your devices, "plugging in" Facebook is the bridge between the social network and the rest of the web.

Before looking at third-party options, understand the . This isn't a click-and-install plugin, but it is the "power cord" that allows all other plugins to work. It lets you:

The Share ButtonWhile similar to the Like button, the Share button allows users to add a personalized message and choose exactly where they want to post your content—whether it’s on their timeline, in a group, or in a private message. Why You Should Use Facebook Plugins

: Historical apps like Seesmic used the phrase "plug in Facebook" to describe the process of connecting a user's account to a social dashboard.