You can also change the world in a big way that doesn't generate much money at all: YouTube. This was also true for Google for about 2-3 years after they start

You can also change the world in a big way that doesn't generate much money at all: YouTube. This was also true for Google for about 2-3 years after they started - perhaps more. I think we should judge Youtube after a few more years. Everyone accepts it has changed the world in a big way.