Social media crossword puzzle

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Across
  1. 3. An app where you post post pictures and where you follow the hottest celebrity what is called?
  2. 4. What is it called when people share too much information to the public or a stranger
  3. 6. An app where you tweet what's on your mind what is called?
Down
  1. 1. This was the hottest social media app before the others.
  2. 2. footprint What is it called When information about a particular person exist on the internet about their online activity
  3. 5. An app with a ghost as the icon you can add a video or picture to your story for 24 hours what is it called?
  4. 7. Tok What is the new musical.ly called?
  5. 8. What is called when someone has an opinion about something or someone