It may not be surprising, but a new study by the Pew Research Center shows that 64 percent of adults in the U.S. own smartphones, up from 35 percent in 2011. The study looked at smartphone usage in 2015 among adult Americans, focusing on details such as what the phones are used for and how they make users feel. Social networking, watching videos and listening to music or podcasts were found to be especially popular with younger users. The study also indicates that there is a socio-economic/technology digital divide occurring. The kind of online access many find central to their lives is not available to some because of financial issues (service is too expensive) or technical constraints (broadband access not available). Want to see how your smartphone usage (or that of your kids) compares with the findings of the Pew study? Take a look at this infographic.