Secrets of the Command-Tab Mac Application Switcher
The Command-Tab key sequence in Mac OS X works to summon a quick application switcher, it’s an excellent trick that many advanced users frequently use to switch apps and help multitasking, but it seems lesser known amongst Mac users in general. Even if you know of the Command+Tab trick, it turns out there are many more features available within the Command-Tab application switcher than just hitting Command+Tab itself, in fact you can navigate within the app switcher, hide apps, quit apps, and more.



Listening to a great song that you think everyone should hear? You can easily share music with your friends thanks to iChat and iTunes, just drag a song from iTunes into an iChat window and off it goes! This may be Snow Leopard and iTunes 9 only, I don’t recall this feature working in Leopard.



This works in many versions of Mac OS X
Deleting cookies on the Mac depends on the specific web browser in use, thus if you want to delete all cookies, you’ll want to accomplish this for every browser app. Considering the web browsers most commonly used in Mac OS X are Safari, Chrome, and Firefox, we will show how to delete cookies in each of these browsers.
You can securely delete files from Mac OS X right from the Finder. This is by far the simplest method to securely delete something on the Mac, and the process is pretty straight forward, very similar to the normal procedure of deleting a file except that you will access a separate option to enable the ‘secure’ layer:
When you’re viewing an image on the iPhone (or iPod Touch) you can tap and hold the image to prevent it from rotating, regardless of the devices orientation. Handy for showing off photos to friends! 
