The report is the second in a series of reports issued by the Pew Research Center in collaboration with the Berkman Center for Internet & Society at Harvard University. The data are based on a nationally representative phone survey, conducted between July 26 and September 30, 2012. Interviews were conducted in English and Spanish and on landline and cell phones.

via Pew Study: 37% of Teens Now Have Smartphones – The Digital Shift.