Image having a Google Calendar at your hand and disposal in a matter of only one click. Pretty nice I would say, let me introduce you to this mighty useful Google Chrome extension.
If you put your computer into hibernation, the next time you turn it on, you'll get all your windows and programs open just the way they were before the shutdown.
You can add multiple desktops to the Mac OS X Mountain Lion by using Mission Control, formerly known as Spaces. Can be really useful if you are a busy multi-tasker.
