It has been said that the printing press was the greatest innovation in modern times. Which of the following is the best argument to support this idea?

The printing press was a product innovation because it was a new thing, and a reverse innovation because it made books more accessible to people from lower income levels.

The printing press was a business model innovation because prior to its invention books were only for the extremely wealthy and a sustainable innovation because it used paper from trees instead of skins from animals.

The printing press was a process innovation because it was a better way to transmit ideas, and a disruptive innovation because it displaced existing processes.

The printing press was social innovation because it changed society for the better and a commercializing innovation because it resulted in salable products.