15.6 inches form factor for a Linux/Tablet/Smartphone hybrid(foldable 360 degrees) is fair enough

     15.6 inches form factor ,  15.6 inches
    screen size  for a  Linux
      Laptop/Tablet/Smartphone   hybrid(foldable
     360 degrees) is fair
      enough  because it has to function  like a
      PC/Laptop and like a  Tablet .