On my way home from being evacuated due to the Black Forest fires a few days ago, I came across this pretty nice Ferrari California going down County Line Road in Littleton, Colorado. They were driving pretty normal, but I noticed there was a guy in the back. I actually chatted with the guys at a stop light remarking "that's a tight fit," to which the driver burst out in laughter. I'm guessing the guy in back was a salesman from Ferrari of Denver, though it's not showing on their website. Here's a little video clip:

From Ferrari's site, here's their illustration of the "+2" concept: