This plugin is a very simple plugin which will quickly boost your Facebook fans. These are some of the great features of the Facebook Popup

1. Popups up with an overlay such that it becomes very prominent to encourage your visitions to become fans

2. Customizable "Follow us on Facebook" title

3. Can show it to guests only, logged in users, or ALL

4. Configurable date to sets cookie so that users won't have to see this all the time, but only once every few days e.g. every two weeks.