Text Messaging Tops Phone Use

These statistics account for a lot of communication any way you look at it. Steve

"U.S. teens (ages 13 to 17) had the highest levels of text messaging in Q2 2008, sending and receiving an average of 1,742 text messages per month. In comparison, teens took part in an average of 231 mobile phone calls per month, during the same time period."
In U.S., SMS Text Messaging Tops Mobile Phone Calling | Nielsen Wire