Do you realize how fast the world is changing ? It doesn't feel like it, because a changing world is all we know but up until a hundred years ago, things used to change in a very, and I do mean VERY slow pace. Someone had an idea to tie his cart to a horse, and that idea stuck and remained unchanged for literally thousands of years. At the beginning of the previous century everyone was still riding around on carts with horses and then suddenly the steam engine came, and we got trains, and then…