Technology and inventions

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Across
  1. 1. social network (app)
  2. 3. the use of a mobile phone service that you can connect to when you cannot connect to the one that you normally use, for example if you are in another country
  3. 6. they are on the railway station
  4. 7. to make something more modern or suitable for use now by adding information or changing its design
  5. 8. ecological and old type of transport
Down
  1. 2. to make smth better
  2. 4. global net all around the world
  3. 5. to look quickly at smth; look (noun)