Text messaging and teens

"Text messaging has become the primary way that teens reach their friends, surpassing face-to-face contact, email, instant messaging and voice calling as the go-to daily communication tool for this age group. However, voice calling is still the preferred mode for reaching parents for most teens."

Read the full report:  
http://www.pewinternet.org/Reports/2010/Teens-and-Mobile-Phones.aspx