I completely agree. I think this is the reason why bluetooth headsets haven't really had overwhelming appeal (except with certain marked segments, such as businessmen). If a product isn't sexy, people won't use it – and that's especially true with wearable technology.

For me, it's not the asymmetry of the projector but the massive back-end. You can tell even Google knows this is unattractive because their model is wearing a hoodie to cover it up.

While I respect the attempt to make a standalone device, I think Google would be better off introducing this as a lower-cost peripheral for those who already have android smartphones. I think this would get them market penetration and slim down the design (but that's just speculation).

Also, it's probably safe to say that early adopters would already have a smartphone, and if they don't it could be a game changer to get people on Android.