By default, you can see that tray of shortcuts even when you have a window open, but when you maximize it (more on that in a moment) the window takes up the whole screen, obscuring the row of apps at the bottom.

ENGADGET: Chrome OS review (version 19)

If conditions in the equity market at large improve the window will open wider and more companies will be able to move toward the exit.

FORBES: The IPO Class Of 2012: Facebook And Beyond

Some are trivial, such as being able to open a window during class, but others are much more useful.

BBC: How to use games to teach physics