(http://i47.tinypic.com/2s9zv5l.jpg)
You can log into the OS with any Google account, such as one for Gmail.
(http://i47.tinypic.com/902e89.jpg)
The first difference between Chrome the OS and Chrome the browser is that
you can pin smaller tab (those at the upper left) for always-available web
app access. Sort of like Windows 7's pinned app taskbar buttons.
(http://i49.tinypic.com/2nrer1z.jpg)
The very first tab, sporting the Chrome icon, is another way to access your
frequently used apps (aka sites). It also sports a search bar, though the address
bar in Chrome is also a search bar, so I'm not sure why that's there.
(http://i45.tinypic.com/343qj49.jpg)
This is one of Chrome OS's true innovations: For things like IM and Notifications,
these small windows remain on top of the main browsing window.
(http://i46.tinypic.com/2e4jifl.jpg)
Multiple desktops are switchable using this overview mode, as shown here.
Note the panels remain on top even during this operation.
(http://i46.tinypic.com/2quutm1.jpg)
Standard USB storage devices will be recognized by Chrome OS when you plug
them in, and their contents will appear in a panel.
(http://i49.tinypic.com/143fdif.jpg)
If you don't have as many primary apps/sites as shown in the second slide above,
here's another look for the Chrome tab. Keep in mind that the Chrome OS user interface is
a fluid work in progress, so we'll probably see several variations before it's released.
(http://i48.tinypic.com/210hgmh.jpg)
You can drag a panel to the side of the screen to create a sidebar.