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.
Let me show you a very simple yet effective trick that will stop the ads from popping up when you or your kids are playing iPad games. It can save you some money as well.
Neat little trick to force the preview images of running programs in Windows 7 taskbar or a so called Aero Peek, to show instantly with no delay at all.
Very useful Javascript feature that can prevent a user from losing the data they are entering in an entry field or text editor in case of unintentional leaving of a page.
Learn some very basic words to get familiar with Greek language for the very first time. You will learn how to say hello, goodbye and similar everyday words.
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.