Warbler said:

how can he make them into 3D. Don't movies have to be filmed that way? If I'm not mistaken, you film the movie with 2 cameras, one for each eye. That's how you get the 3D effect right?

That's just one way Warbler, but GL will be using some of the latest techniques that have been developed to turn 2D movies into 3D ones....

But this would be a better thread to catch up with the developments on that - http://originaltrilogy.com/forum/topic.cfm/3D-STAR-WARS-for-the-masses-anytime-soon/topic/10070