Flutterby™! : rear steering

Here's a upright rear steering tandem from Brown Cycles in current production. The Hase Pino is a recumbent upright mix with rear steering, and I thought Bilenky or Bike Friday made a 'bent/upright mix with rear steering too, 'though I can't find it now, but this is the first modern rear steering both riders upright bike I've seen.