Okay, this post is FAR from useful. But if you’re bored, or want to play a prank on someone, this is a cool visual effect.
If you go into System Preferences > Dock, you’ll be able to enable dock magnification. This will cause the dock icons to magnify when you hover over them.
But using this simple trick, you can make it even BIGGER!
Open Terminal (in Applications/Utilities) and type in:
defaults write com.apple.dock largesize -float 256.000000
You can change 256 to be even bigger or smaller, depending on how big or small you want your dock magnification to be.
Hit the enter key and, well, nothing will happen.
Your dock will disappear and reappear.
Now hover and enjoy!
To set it back, just type the same thing you did to activate it but replace 256 with 128.
This has absolutely nothing useful about it. But it’s fun if you’re really bored, or you’re just waiting for Lion to come out.