citizenship and virtual words

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Across
  1. 3. Application that allows sending self-destructive photos and videos
  2. 5. Be subscribed to someone on social networks
  3. 6. Uncontrolled information spreading
Down
  1. 1. The social network characterized by a blue bird
  2. 2. Name chosen by a person to hide their identity
  3. 4. Hate a photo or a video