Answer:
C. the amount of digital information doubles each year
Explanation:
The Law of Mass Digital Storage states that the amount of digital information doubles each year while the price of storage decreases exponentially.
Data first used to be stored in the groves of magnetic tapes. Then disks started to be used. The disks which were made of polycarbonate were encoded data by the use of a laser which condensed matter into a smaller form factor. Then these hard disk started to being used which shrunk the form factor further and continues to do so while getting cheape
It can be seen that the form factor has gotten smaller while the price also reduces.