The influence of social networks on people's communication and privacy

How many contacts do you have on Facebook? (if you do not use it, write 0)

  1. about 350
  2. 590
  3. about 200
  4. 197 (the question was repeated before)
  5. ~100
  6. 800
  7. ~600
  8. 500
  9. 197
  10. -