I am not sure there is evidence our brains are wired differently http://www.theguardian.com/science/2013/dec/02/men-women-brains-wired-differently?CMP=twt_gu ht

I am not sure there is evidence our brains are wired differently http://www.theguardian.com/science/2013/dec/02/men-women-brains-wired-differently?CMP=twt_gu http://www.theguardian.com/science/2013/dec/02/men-women-bra... and different behaviour can be observed among girls and boys in a very young age (<5) J. Medina describes it in his book "Brain Rules" women have some areas of more developed and vice versa, therefore they perceive some things differently, such as they they tend to process information in more complexly. So I am not sure it's "all marketing" although I think it plays part.