German enthusiasts have come out with a smart pen invention enabling the pen to vibrate with its high-end new technology when it discovers a spelling error or clumsy handwriting.
The Phree is an interesting device that will probably be very useful to a lot of people. The Phree is a pen that can write on pretty much everything and input the data to a mobile device. So you can picture it, look at the armrest of your chair, get a pen and write.
Using a pen to do a quick drawing is a lot easier than using a mouse or finger on a touch screen. A project worth knowing about for those who want to be able to digitize is the Rocketbook, currently an Indiegogo campaign.