What is Anaglyph 3D? - Yahoo! Movies

http://movies.yahoo.com/news/anaglyph-3d-013000218.html
Showing 3D movies in theaters started with the use of red and cyan glasses during the 1950s. Then it resurfaced around the dawn of the new millennium mostly using polarized 3D glasses and shutter 3D glasses. Before these newer technologies, the pioneer 3D system used was called the anaglyph 3D system. It was initially meant to view still images with three-dimensional depth until the film industry and other related fields discovered its potential for a larger market of 3D-savvy audiences.

Film Vs. Digital: On Surviving Cinema's Present 3D Playing Field - Associated Content from Yahoo! - associatedcontent.com

http://www.associatedcontent.com/article/7798962/film_vs_digital_on_surviving_cinemas.html?cat=15
Cinema is one of those art forms that is most affected by technological developments. Its tools don't last the way a painter's brush or a sculptor's chisel would. Yet, there are specific aspects of cinema that ultimately stand the test of time: the use of camera and a recording medium, either in film or digital format.

Associated Content: 3D: Rigs, Cameras, Post Conversion -- Unraveling the Magic

http://movies.yahoo.com/feature/associated-content-3d-rigs-cameras-post-conversation-unraveling-the-magic.html
A writing stint at Yahoo! Movies...