School

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Across
  1. 3. interacting with others .
  2. 6. American photo/video sharing network .
  3. 7. widespread beleif .
  4. 8. short music videos .
Down
  1. 1. online identity .
  2. 2. multimedia messaging app .
  3. 4. too much personal information .
  4. 5. Microblogging system .