Why are mobile phones popular with teenagers?

Teenagers have the need to experiment with social identity and groups. The mobile phone is a quick way to stay in contact and strengthen social bonding with friends. Furthermore the mobile phone gives the opportunity to 'fiddle' with something in the case of social insecurity, which most teenagers experience some time in their development.

And besides that: not only teenagers like to use the mobile phone. The global use of mobile phones by all ages is increasing every day.