Technology

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Across
  1. 3. not sensible or realistic to use
  2. 6. having no use or value
  3. 7. Technology that can be worn on the body
  4. 10. no longer in use; out of date
  5. 11. using minimal energy for maximum output
  6. 13. old-fashioned, no longer current
  7. 14. useful and easy to use
  8. 15. without the need for physical connections or wires
Down
  1. 1. small and efficiently designed
  2. 2. reasonably priced; not costing much
  3. 4. absolutely necessary; can't do without it
  4. 5. at the forefront of innovation and technology
  5. 8. without value; not worth anything
  6. 9. easy and comfortable to use(adj)
  7. 12. extremely useful or important