What is a mobile phone?

A mobile phone is a device that lets the world (e.g. people, companies, friends, and family) stay in contact with each other.  They other capability such as text messaging, internet browsing, watching movies, reading news, navigation, and taking photos.  They service a core component in everyday living similar to refrigerators and microwaves.  They also serve as a way for people to interact with different social media platforms and entertainment.