***MAJOR SPOILERS FOR INCEPTION LIE AHEAD*** If you've encountered problems understanding your Inception DVD or Blu-Ray, you are not alone. This informative article should supply you with the knowledge necessary to operate your Inception  disc in a manner that leaves you entertained and satisfied, not confused and desperately seeking answers. How did the dream sharing depicted in the film originate?  Even if you watch Christopher Nolan's cerebral heist thriller vigilantly and with a watchful eye on the details, you may go the entire 148-minute run time without ever actually figuring out where the dream-sharing technology that is so prevalent throughout the film came from in the first place. The answer can be found in a brief, easily-missable line from Joseph Gordon-Levitt's Arthur when he and Leonardo DiCaprio's Dom Cobb are first introducing Ariadne, played by Ellen Page, to the world of extraction and shared dreams. As Arthur divulges, the technology was