jonarnes: 43% of US users owning a smartphone, 9% a tablet, 14% an e-reader. http://t.co/jM0b7mQz Posted on oktober 27, 2011 by Jon Arne Sæterås jonarnes: 43% of US users owning a smartphone, 9% a tablet, 14% an e-reader. http://t.co/jM0b7mQz