Sound film
The primary steps in the commercialization of sound cinema were taken in the mid- to late 1920s. At first, the sound films which included synchronized dialogue, known as "talking pictures", or "talkies", were exclusively shorts. The earliest feature-length movies with recorded sound included only music and effects. The first feature film originally presented as a talkie was "The Jazz Singer", released in October 1927. A major hit, it was made with Vitaphone, which was at the time the leading brand of sound-on-disc technology. Sound-on-film, however, would soon become the standard for talking pictures.
Smell-O-Vision
The use of scents in conjunction with film dates back to 1906, before the introduction of sound. In this first instance, a 1958 issue of "Film Daily" claims that Samuel Roxy Rothafel of the Family Theatre in Forest City, Pennsylvania, placed a wad of cotton wool that had been soaked in rose oil in front of an electric fan during a newsreel about the Rose Bowl Game. However, between 1903 and 1915, there were no games held, so it is unknown what the newsreel was about, although the Rose Parade (which has been held annually since 1890) seems likely.