them focus is text messaging by adolescent of 13-18 years of age with other adolescents. teenager exchanges mostly with other teens even though they remain members of family households. the popularity of SMS in this age group does not seem to be affected by the apparent limitation of text, and the maximum length of a messages is 160 characters, the messages do sometimes incorporate picture or little animations, but they too are based on characters included on the keypad of the mobile handset. despite is limited scope, a text message finds its way to time and places where a call would be impossible or that least unsuitable.