1. A method of identifying commercial segments during a program comprising the steps of: a. using transcript information associated with the program; b. detecting “non-stop” words in the transcript information during a first time period which occur more than a predetermined number of times; c. detecting “non-stop” words in the transcript information during a second time period which occur more than a predetermined number of times; and d. comparing the non-stop words detected during the first time period and the “non-stop” words detected during the second time period.