EVOLUTION OF MEDIA

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Across
  1. 5. Electrical system for long-distance message transmission
  2. 7. Inscribed clay pieces used for writing in Mesopotamia
  3. 10. Ancient art on cave walls (~35,000 BC)
  4. 11. Devices displaying images on a surface
  5. 12. Platforms for creating content and connecting online
  6. 15. 1700s–1930s era of machine manufacturing and print media
  7. 16. Large computers for bulk data processing (1950s–70s)
  8. 19. Images carved into rock surfaces
  9. 21. Ancient Egyptian paper made from plant stems
  10. 22. 1990s–present era of digital tech, internet, and smartphones
Down
  1. 1. Mechanical device for typing text on paper
  2. 2. Mobile phones with internet and app capabilities
  3. 3. Symbol representing an object or concept
  4. 4. Tech overlaying digital info on the real world
  5. 6. Card with holes storing data or instructions
  6. 8. Portable radio using transistor technology (1950s)
  7. 9. Printed publication with news and articles
  8. 13. 1930s–1980s era of transistors, TV, and radios
  9. 14. Ancient book of folded sheets bound together
  10. 17. Device showing moving images with sound
  11. 18. Online journals where individuals post content
  12. 20. Video-sharing platform launched in 2005