The line graph illustrates the percentage of teens who talk to each other using text messages, cell phone calls, face-to-face conversations, and email in a single US state over a 3-year period from Nov 2006 to Sep 2009. Overall, there was an increase in the quantity of young people using text messages and calls on cell phones, while that figure for using email witnessed a decline, with the proportion of talking face-to-face remaining unchanged throughout the given time period.
In Nov 2006, Calls on cell phones was the most popular communication at 34 percent, which was 7 percent higher than the use of text messages. After 3 years, this figure for increased stably to 40 percent in Sep 2009, making it the second most popular means of communication among U.S. teenagers. Likewise, the proportion of text messages rose slightly to approximately 40 percent in Feb 2008, before growing significantly to around 55 percent at the end of the period, becoming the most preferred way to communicate among teenagers.
Concerning the remaining methods, there was a moderate increase in talk face to face communication from 32 percent to 40 percent in Nov 2007, before declining significantly and hitting rock bottom at 30 percent. In the last 19 months, that number witnessed a slight recovery to around 35 percent. Finally, the proportion of teenager using email to communication rose slight to 18 percent in Nov 2007 , which was followed by a decline gradually of 8 percent at the end of the period .