Bad social apps

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Across
  1. 4. chat, ,you can send a picture or video of something to your friends
  2. 5. ,you can post pictures message your friends and add comments
Down
  1. 1. , you can tweet something on a this app
  2. 2. ,you can send videos on this app
  3. 3. , a social app that you can post pictures and comment on other peoples profiles