What is digital rights management?
a. the use of new technologies by consumers to share music, videos, and other digital content
b. the battle between technology and entertainment companies to control consumer access to music, videos, and other digital content
c. efforts by the government to limit network externalities that are based on unit one costs
d. efforts by the government, industry players, and consumer groups to identify ways to restrict unauthorized distribution of copyrighted materials
e. the efforts by the recording industry to co-opt peer-to-peer computing services (such as Napster) for their own purposes.