1. Do you think this is invasion of your privacy? Justify your answer.
      No, due to the fact that people publicly post and the meaning of public is for everyone to see.

2. Does this comply with the terms and conditions for use of Facebook? Have you read them?
      Yes, they do comply. But no, I don't know what the terms and conditions page says, let alone looks like.

3. Does this violate your 4th Amendment rights? No. You've agreed for it to happen.