How to make your status bar have a blur effect

When iOS 7 was first released we noticed that there were a lot of changes. But there was one that really stood out from the rest. Blurriness.

Basically the whole OS has a blur effect on it, when you swipe down the notification center, when you swipe up the control center, when you open folders and so on. 

Well why not extend that blurriness to let's say the status bar? That's what a new tweak called 'BlurBar' does.