You guys are already pretty well supplied with crowns. How about other jewelry? Rings, bracelets, pins, earrings?

That kind of thing isn't exactly his forte. He thinks about it for a while, and then designs (with Jane's help) something that combines microphone, speaker, camera, and half-ansible into a small jewel that you can wear as any of the above, or like a single earbud. (He does do ergonomics. The earpiece type is as comfortable as you could ask for.)

Now, who wants one? And where should their other halves hook up to? The Downside installation and the Milliways one both have room.