Communication

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Across
  1. 2. a means of transmitting thoughts and ideas
  2. 6. data held on computers
  3. 9. global computer network
  4. 11. used to communicate voice messages
  5. 14. the spread of a disease
  6. 15. multimedia messaging app
  7. 17. used to carry messages in World War I
  8. 18. a disease in Africa
Down
  1. 1. scientific knowledge for practical purposes
  2. 3. the creation of new ideas
  3. 4. linking computers around the world
  4. 5. signals, an ancient method of communicating
  5. 7. an ancient form of messaging
  6. 8. required to power our digital devices
  7. 10. the inventor of the dot dash code
  8. 12. to make things better
  9. 13. a means of sending messages
  10. 15. video calling software
  11. 16. a method of sending messages