use now

View details about the current iTunes song in your Dashboard.

Lock your screen from the menu bar.

Now play and record together live with musicians anywhere in the world.

Now you can get more from your ATI graphics and multimedia products

Use the Toolbar Redesign then you automatically use the New Load Progress.

Use your iPad as an external display.

Use one mouse/keyboard to control several Macs.

Use a Mac computer as a video surveillance camera.

Use QuickTime movies as screen savers.

Use your volume keys to adjust the volume in iTunes, via AirPlay.