Facebook has announced a plan to revamp the look of Timelines on its Pages, moving to a one-column design more similar to the Timelines on individual profiles.
Twitter has a nice option to embed a single tweet in web site using shortcode or adding direct html codes. We just made this very easy for Joomla! Users using our own shortcode method with lots of option.
Easy Admin Notice is a light-weight Joomla plugin to show notice to user both on front end and admin area. The notices will be styled with your template notice or error reporting style.