<img src="http://www.crunchgear.com/wp-content/uploads/2011/01/1-620x620.jpg" />The airpenPocket is Pentel's update to the aging <a href="http://www.crunchgear.com/2008/11/20/digital-pen-airpenmini/">
Japanese stationery company Pentel today unveiled its airpenMini [JP], a digital pen that uses a combination of ultrasound and infrared to record anything the user writes on a piece of paper in the bu