Mike Torres for the Windows Team Blog:
SkyDrive is your personal cloud for your documents, notes, photos and videos. Move your files into SkyDrive and immediately they’re available from any web browser anywhere in the world.
Here’s the iPhone part:
We realize that not everyone who relies on SkyDrive for sharing photos or accessing Office documents uses Windows Phone… yet. We have a long history of supporting iPhone customers with built-in support for Hotmail and with apps like Bing, Messenger, OneNote (with SkyDrive sync), and now Skype.
There’s a video of it in action, which I haven’t watched.