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