How significantly different is this from the bullet-proof whiteboards people tried to make a quick buck on? http://www.nytimes.com/2013/11/03/education/edlife/b

How significantly different is this from the bullet-proof whiteboards people tried to make a quick buck on? http://www.nytimes.com/2013/11/03/education/edlife/bulletproof-just-in-case.html?_r=0 http://www.nytimes.com/2013/11/03/education/edlife/bulletpro... Seems like both basically capitalize on fear.