Clu returned the gesture, nodding to his brother. "I haven't met him yet," he said, "but you're right; I would like to see those vids. I haven't really had access to much data on things outside the System, and some of what I do have, I don't understand."

"In fact, I'm not even certain I understand what 'Earth' is, aside from it being another name for the User world, obviously," he said. "A User I met named LeeStetson tried to explain to me about Earth and 'the moon' and how the fact that Users had been able to get to this 'moon' was considered to be a major accomplishment, but I still don't quite understand it." He chuckled slightly and rubbed the back of his head a bit sheepishly. "I think him trying to make it less confusing for me only ended up making it more confusing, in the end. But we did learn a bit about the history of each other's worlds, which was interesting."