Loose Lips

"Oral history:  From Deep Throat to gag rule" by Peter Keough is a compelling, if somewhat lengthy, article in the Boston Phoenix that talks about Deep Throat and Inside Deep Throat and everything in between.  (Good read here)

Also, this was one of the first heterosexual porn movies that focused on fellatio, an act which, it may be argued, confers more power on the person performing it than on the one receiving it. Finally, Deep Throat's identification of the clitoris as the center of woman's sexuality defied the then-dominant patriarchal belief in the vaginal orgasm.