Ipsos http://ipsos-na.com/news-polls/pressrelease.aspx?id=5954 Some research A study by Ipsos according to indagine a cura di Ipsos A study by Ipsos for those over 50 source according to according to Ipsos Mori A study by Ipsos http://ipsos-na.com/news-polls/pressrelease.aspx?id=5954 survey