A student researching communication has taken notes:

• The printing press spread literacy and ideas rapidly • Telegraph enabled instant long-distance communication • Radio broadcast information to mass audiences simultaneously • The internet connects billions in real-time • Each technology accelerated information exchange

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The student wants to show how communication technology builds on itself.

A

The printing press dramatically spread literacy and ideas.

B

Communication technology builds on itself—from print spreading ideas, to telegraph enabling distance, to radio reaching masses, to internet connecting billions in real-time.

C

The internet now connects billions of people in real-time.

D

Each new communication technology has accelerated information exchange.

Correct Answer: B

Choice B. Progression from print to telegraph to radio to internet shows building on itself.