3Cinteractive: According to a study by the @CDC.gov 27% of U.S. households use cell phones exclusively in the first half of 2010 http://bit.ly/ehuGmq
3Cinteractive: According to a study by the @CDC.gov 27% of U.S. households use cell phones exclusively in the first half of 2010 http://bit.ly/ehuGmq