Great movies under 90 minutes

These are some of the great movies to watch which has run time of less than 90 minutes:-

1) Paths of Glory(1957) - Director: Stanley Kubrick
http://www.imdb.com/title/tt0050825/

2) The Ox-Bow Incident(1943) - Director: William A.Wellman
http://www.imdb.com/title/tt0036244/

3) Following(1998) - Director: Christopher Nolan
http://www.imdb.com/title/tt0154506/

4) Rope(1948) - Director: Alfred Hitchcock
http://www.imdb.com/title/tt0040746/

5) Office Space(1999) - Director: Mike Judge
http://www.imdb.com/title/tt0151804/