Internet safety

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Across
  1. 5. photo and video sharing social networking service
  2. 6. opinions that are held about someone
  3. 7. social media conglomerate corporation
  4. 8. micro blogging and social networking service
Down
  1. 1. revealing personal information about one's personal life
  2. 2. multimedia messaging app
  3. 3. chinese video sharing social networking service
  4. 4. a trail of data you create while using the internet