Apple has announced that over 100 million apps have been downloaded from the Mac App Store in just under a year since the online store opened on 6 January 2011. The company did not break out the difference between free and paid apps, nor was the number of apps (beyond “thousands”) shared. Although inclusion in the Mac App Store is by no means a guarantee of sales success, it has proven to be a boon for many Mac developers. follow link
Sleep (and Lock) Your Screen
When you are walking away from your computer, it's fairly common practice to start your screen saver and lock your screen. But did you know that there is a built-in keyboard shortcut in Mac OS X to sleep the screen?
Press Control-Shift-Eject and your monitor sleeps without engaging the screen saver.
Mac App Store Passes 100 Million Downloads