Smart phones, meanwhile, have seen high rates of use among doctors, especially younger doctors. With apps that can help physicians in their practice, nearly nine in 10 respondents under 35 used their smart phones for professional purposes, the highest level among all age groups. Among this age group, almost three-quarters said they used an app as a diagnostic or clinical reference tool. While smart phone use declined with age, almost six in 10 of those aged 60 or older still used them for work-related reasons. Read the rest at eMarketer.