Inventions & Everyday Tech - 2

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Across
  1. 3. Portable music on cassettes
  2. 4. Early form of video disc
  3. 6. Connected the world
  4. 7. Changed homes and offices
  5. 9. Loud stereo with big speakers
Down
  1. 1. Replaced handwritten letters
  2. 2. Instant camera
  3. 5. Mobile communication device
  4. 8. Added numbers fast