Lenhart, Amanda. "Teens, Smartphones & Texting." Pew Internet Project report, March 19, 2012.
From the summary: "The volume of texting among teens has risen from 50 texts a day in 2009 to 60 texts for the median teen text user. Older teens, boys, and blacks are leading the increase. Texting is the dominant daily mode of communication between teens and all those with whom they communicate…. The frequency of teens’ phone chatter with friends – on cell phones and landlines – has fallen. But the heaviest texters are also the heaviest talkers with their friends…. About one in four teens report owning a smartphone. Smartphone owners are the most likely to have used a tablet computer to go online in the last month." Read more
