OUR VICTORY!

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Across
  1. 2. to make something by putting bricks or other materials.
  2. 5. It is an American online social networking service.
  3. 6. a young person between 13 and 19 years old.
Down
  1. 1. to communicate with or react to.
  2. 3. to copy information to the internet.
  3. 4. a small piece of paper with information.
  4. 7. to have or use something at the same time as someone.