Why Are We Superstitious?

Why is it that people are still superstitious in this day and age? With all the logic and technology that we have around us it seems a little silly. It is difficult to believe that some people are still cautious about opening an umbrella indoors, walking under a ladder or crossing on the stairs.
Perhaps there is some sort of comfort attached to it… By keeping superstition alive we are holding onto the past; an age where things were more More