When other demographic factors and overall posting tendencies are factored in, the average person older than 65 shared seven times more false information than those between 18 and 29. The seniors shared more than twice as many fake stories as people between 45 and 64 and more than three times that of people in the 30- to 44-year-old range, said lead study author Andrew Guess, a politics professor at Princeton. The simplest theory for why older people share more false information is a lack of "digital literacy," said study co-author Joshua Tucker, also co-director of the NYU social media political...