I don't recall Apple pitching this as something you watch to play around with for a couple of hours at an airport with.

You're right, they didn't. But I'm hard pressed to figure out a great deal of apps for the watch other than what's pretty much going to be shipping with it. reddit mail notification? point to my car?

I dunno. It seems like there's a very limited ecosystem (read:business) to spending lots of effort making Apple Watch apps for exactly the reason you're stating.

    At best I think Smartwatch apps will
    just be secondary notification displays
    for apps you're already buying and
    putting on your phone.

But this is not the kind of story presented at the keynote. What they presented was intensive interaction with apps: dragging, panning, zooming, etc.

I think any usable watch app is going to have to be pretty simple and lightweight on the interactivity side.

The first thing I thought was, other than tic tac toe, what game could you possibly display on a display that small?

I also think, a watch like that is good first and foremost as a quick check on what going on regarding your phone in our pocket.

But for this usecase, I think the price point of this watch is a bit much. I would love to have my watch buzz when getting a new text on my phone. And with a quick glance I can see if it is important or not without having to take my phone out of my pocket. This would be neat. But I don't think I would spend 350 dollars for this convenience.