Once upon a time, there was a generation where games only shipped when they were completed. In these simpler times, whenever developers decided they wanted to add more content to a game, they either released a directors edition with bonus content or they did a sequel.
With the Xbox 360 and Playstation 3, DLC (or downloadable content) became a viable avenue for companies to try to extend the span of a game ...but for every company that tries to honestly add more for content for the fans there companies out just trying to milk their fan base.
Where did it go wrong? Why don't we care anymore? Steve Watts of Shacknews explores the beginnings of DLC and how it lost its way in this article.