Smart phones and social media are not just for young people. A poll by the Pew Research Center says that for the first time more than half of Americans aged over 65 are now using the internet. And one in three online seniors uses social networking sites like Facebook and LinkedIn. For millions of older Americans, however, the world of computers - with its terminology, tablets and Tweets - remains baffling. continua http://www.bbc.co.uk/news/magazine-18529371 Qgl