At only 21 seconds this is by far the shortest of the videos here, and surely the cheapest. 14.5 million views and all of them at their great rival's (Xbox's) expense.
The video was put out on the 11th June 2013 in response to Microsoft's unpopular attempt to restrict sharing of their Xbox games. By the 14th it had 11.6 million views and much cackling up sleeves. On the 19th, Xbox announced a humiliating u-turn.
Official PlayStation Used Game Instructional Video