Final answer:
The correct answer is c. Privacy. Reach, speed, and privacy are advantages of new delivery methods.
Step-by-step explanation:
The correct answer is c. Privacy.
All the other options - reach, speed, and privacy - are advantages of new delivery methods. Reach refers to the ability to access information or resources from anywhere. Speed refers to the quickness and efficiency with which information or resources can be delivered. Privacy refers to the protection of personal information in the digital age, which can be a disadvantage of new delivery methods.