No mention of nano SIM during the keynote? iPhone 5 seems to have it.

I understand that the keynote was packed with things to announce and talk about, but I heard barely a mention about nano SIM. Now looking hands-on photos of the iPhone 5 seem to imply that there is a nano SIM sized tray present in the new device.

How was this not even worth mentioning? Apple invented this new standard all on their own, shouldn't that be something to be proud of?