No you're right. Coinbase does payment processing and hosted wallets. Users can buy or sell bitcoins to Coinbase, but it's not an exchange in the sense that any two users can trade USD/BTC with each other.

I'm curious what tools the author doesn't consider obscure.

I guess this means it'll be browser based, but the screenshots make it look like a native app. Hmm.

A wrapper maybe?

Even if it's only a wrapper, Apple may not approve it.

I wonder how prominent the bars have to be for this effect to still work. Can they be translucent or a color other than white?

I'd rather download it off the Pirate Bay.

I just checked, it's not there. But it is on YouTube and my old Geocities page has been mirrored. You could find it if you wanted too, but it's not worth the effort.

It reminds me of Joli OS http://www.jolicloud.com/jolios

Almost forgot about Joli. Great little OS.

I got invited about a month ago. I think I'll try out ghost now instead.

I have to agree. There's too much of the "free, but we sell your information to advertisers" model going around these days.

Great job, this looks really neat.

On the front page yesterday: https://news.ycombinator.com/item?id=7051091