Almost two-thirds -- 64 percent -- of adults in the US now own a smartphone, according to a new report from Pew Research Center. That's up from 58 percent in early 2014. Back in 2011 Pew reported that just 35 percent of American adults were smartphone owners. Pew's recent report is based on a number of surveys, including a telephone survey of more than 2,000 people conducted last December and a...
