It keeps us in constant contact with people you consider important
It can help us seek help immediately during emergency cases
Its a sense of being financially uplifted.
Through mobile phones you can lessen your boredom,example listen to your favorite music and as well as watching movies through downloading.
It can take photos
Mobile phones also give us easier access on the internet.
You can carry it anywhere
It performs a lot of useful functions like calendar, making notes, alarm clock, timer and calculator.
No doubt, our mobile phone makes our life more convenient, but as the saying goes every technology has it's equal negative side and mobile phones are not so especial to be exempted.