Difference between 3D/5D/7D.3D means only 3D movies with 3D glasses.5D means 5D movies & Motion chair & Effects.7D means 7D movies & Motion chair & Effects & interaction gun.Our products 5D 7D 9D 11D 12D cinema:5D 7D cinema they are all dimensional movie. When we are watching 3D movie we only can see solid pictures BUT now our technology will bring you into a whole new world and make you immersive into the story. Seats move to 3 dof (degree of freedom ) controlled by computer so that when we watch 5D movies with 3D glasses we will catch the feeling of storm, lightning, rain, spray mist, lapping legs, bubble, snow which will be totally different from the old 3D movies. Fresh and exciting because of the good interactivity created by the new device we developed.Same technology is projected in the market with the names of 9D theaters, 11D theaters, 12D theaters and so on. these are all marketing terms.Where to place the cinema ?Amusement park, theme park, shopping mall, game center, game city, walking street, truck. www.modernXD.com