Visitors usually borrow or keep special glasses to wear while watching the movie. Depending on the system used, these are typically polarized glasses. Three-dimensional movies use two images channeled, respectively, to the right and left eyes to simulate depth by using 3-D glasses with red and blue lenses anaglyph , polarized linear and circular , and other techniques. The earliest 3D movies were presented in the s. There have been several prior "waves" of 3D movie distribution, most notably in the s when they were promoted as a way to offer audiences something that they could not see at home on television. Still the process faded quickly and as yet has never been more than a periodic novelty in movie presentation.
I noticed when I was gearing up to push for Snowpoint city that I had a glaring weakness in my group, having two very high level pokemon who were still seriously weak against ice moves, and only having a single fire type to inflict damage on ice types.