Her wide-eyed surprise is met with a wholly appreciative grin. Since he got the new speakers from his friend of a friend who works for the government - hush hush - this has been his favorite part. Introducing the sheer awesome of isolated sound to the uninitiated.

He nods up to the ceiling, where the speakers hang in neat little rows, making up an equally neat grid of sound waves that go only in the direction the speakers are aimed. It's sheer, technological brilliance, and the geek in him loves it.

And it's like they say: Sharing is caring.