• Enhancement (figure): What the medium amplifies or intensifies. Radio amplifies news and music via sound.
  • Obsolescence (ground): What the medium drives out of prominence. Radio reduces the importance of print and the visual.
  • Retrieval (figure): What the medium recovers which was previously lost. Radio returns the spoken word to the forefront.
  • Reversal (ground): What the medium does when pushed to its limits. Acoustic radio flips into audio-visual TV.

“The medium is the message.” A form of communications technology, the medium or figure, necessarily operates through its context, or ground.

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