If you aren't a member of PlayStation Plus, Sony has released a new trailer to show you the reasons why it's neat. If you are buying a PlayStation 4 on Friday, you should definitely think about signing up for Plus, since you'll need it to play multiplayer, and it gives you some free games.
via destructoid http://www.destructoid.com/playstation-plus-has-a-shiny-new-trailer-265592.phtml