If your granny recently purchased her very first smartphone, she's not alone. According to the latest Q3 figures from Nielsen, Americans between the ages of 55 and 64 are adopting smartphones at a faster rate than any other age group. Just about 30 percent of all mobile-equipped, soon-to-be seniors now own a smartphone, marking a five percent jump over Q2 of this year. But they still have a long way to g
