What should concern us most? Take your pick: "Party balloons consume 19% of all helium; hard drive production uses less than 1%." (http://www.hgst.com/sites/

What should concern us most? Take your pick: "Party balloons consume 19% of all helium; hard drive production uses less than 1%." (http://www.hgst.com/sites/default/files/resources/HGST-Helium-Technology-BR03.pdf http://www.hgst.com/sites/default/files/resources/HGST-Heliu...)