Answer:
Prior to smartphones, people used this to record their lives.
If you drive on this, pedestrians and the police will be pretty upset with you.
In your fire you hear me scream! Creaking and whining yet I am dead before you lay me in your hearth.
I am someone you don't know. Who am i?
What fastens two people yet touches only one?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?