Technological advances can replace or substitute for existing products in a relatively short period. Nest's doorbell is a likely replacement or substitute for
A) digital assistants.
B) digital video recorders.
C) security cameras.
D) exterior lighting.
E) plastic credit cards.

Question

Quizplus · Accepted Answer

Nest's doorbell, which includes a camera, can serve as a substitute for security cameras by providing video surveillance and monitoring capabilities at entry points.

Technological Advances Can Replace or Substitute for Existing Products in a Relatively