my favorite invention

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Across
  1. 2. thing or person is the one you like most
  2. 6. a phone equipped with various features
  3. 7. you write it down
Down
  1. 1. an instrument that you use for finding directions
  2. 3. a machine or system that has been invented by someone
  3. 4. people talk to each other
  4. 5. you both have it