functions associated with layers of world wide web (www)

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Across
  1. 3. Amazon
  2. 6. networking hydraulic telegraphs
  3. 9. IKEA internationalizes the assembly instructions for its furniture by using only diagrams and illustrations, without including any text that would need to be translated.
  4. 11. Messaging on Whatsapp
  5. 14. sharing Video conferencing
  6. 16. surveillance
  7. 18. Passwords
  8. 19. chain technolgy money transfers
  9. 20. intelligence face recognition
  10. 21. Movies
Down
  1. 1. Reality pokemon Go
  2. 2. group discussions
  3. 4. & research online courses
  4. 5. Networking twitter
  5. 7. surfing Radio
  6. 8. web browser that stores page content on a local disk for a designated period of time
  7. 10. text resizing
  8. 12. Internet of things(ION) smart TV's
  9. 13. navigating from one web page to another while looking up relevant information
  10. 15. Reality Flight simulator
  11. 17. best buy