"It's called the rememberer." he said.
"But why?" asked the little girl, "It doesn't know how to rememberer anything, it can't!
He chuckled, "It's not about what it can do, its about what it helps us to do."
"Oh, I see, it helps us to remember things that we can't on our own." she smiled.
"Yes," he looked at it solemnly, "things we can't on our own."