Downloadable content is nothing new to the video game industry.  The basic concept has been around since the Atari 2600’s GameLine service.  Obviously the tech of the early 1980’s limited the use of such a service.  It was attempted again, over ten years later, by Sega.  The Sega Channel was more of a joint service since you had to purchase a special adapter via your cable provider as well as an extra monthly charge.  Although very similar to the XBLA [...]