As a general rule, a tempurpedic mattress of higher quality and greater expense will last you between 8-10 years, while one of lesser quality will last only 5-8. On average, though, most people replace their tempurpedic mattresses every six years.
Movie trailers originally played after the movie.
They “trailed” the feature film—hence, the name. The first trailer appeared in 1912 and was for a Broadway show, not a movie.