Wait, how are they different? All the 3D effects I know of are still the same thing as movies, in that your eyes must always focus on the same distance. With th

Wait, how are they different? All the 3D effects I know of are still the same thing as movies, in that your eyes must always focus on the same distance. With the 3DS, for instance, while the underlying technology is different still consists of your eyes focusing on the same flat surface in your hands, and tricking your eyes with two separate views. Same focus vs. convergence issues as mentioned in the article.