2. Cellphones are not safe for our health because it can affect our mental state by social media and can cause risk of brain cancer from everday use.Also cell phone radiaiton is classified as a "possible human carcinogen". It is essential because it is a portable computer that can fit into your pocket
3. Yes people should be aware. Alot of gps can mess up to route to your destination which can lead you to a different area. People should be aware because it could track down where you are and that is a safety hazard.