With a bluetooth pen can your notes on paper block is immediately transferred to your tablet.
With Livescribe Smartpen 3, your notes on paper block is immediately transferred to your iPad.
Livescribe Smartpne 3, is a bluetooth pen that while you write will transfer your notes to an application on your iPad.
Do you need to record voice memos while you type, can also record these 3 Smartpen and play them back via iPad´ a, when you hit the notes in the application.
The notes can also be easily converted to real text through optical character recognition, and then mailed or otherwise used for further work.
Below you can see a demonstration of the Livescribe Smartpen 3.