Hand Tree Personal Air Purifier Helps You Breathe Easier
http://mashable.com/2013/07/12/hand-tree-purifier/

Hand Tree Air Purifier Concept Uses Wearable Tech To Offer Clean Air
http://www.ubergizmo.com/2013/07/hand-tree-air-purifier-concept-uses-wearable-tech-to-offer-clean-air/