These hormones include cortisol (which is related to stress), estradiol (the main female sex hormone) and prolactin (which, as its name suggests, triggers her breast tissue todevelop the abilityto secrete milk).
However, as India and China continue to emerge, the abundance of engineering talent will mean that great companies will be defined not by their abilitytodevelop a faster widget, but by their abilityto innovate.