Today I Found Out
Why are Movie Advertisement Clips Called Trailers? (2016x216)
:
→Subscribe for new videos every→“trailers” because the advertisements would be spliced directly on the end of the reels, so that the movie advertisement’s film trailed the actual film.
Want the text version?: http://www.todayifoundout.com/index.php/2011/08/why-short-movie-advertisement-clips-are-called-trailers/
Sources:
http://www.straightdope.com/columns/read/2270/why-are-they-called-trailers-if-theyre-shown-em-before-em-the-movie
http://en.wikipedia.org/wiki/Trailer_(film)
http://en.wikipedia.org/wiki/Don_LaFontaine
http://en.wikipedia.org/wiki/Psycho_(1960_film)