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 no longer in use; out of date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 old-fashioned, no longer current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