I remember in the 80's when this Ad was everywhere, on billboards and bus benches and magazines and newspapers. Pretty sure it won some awards.

The TV commercial version was the same woman smiling, just a slow zoom in towards her smiling face, but there was this quiet static in the background with eerie footsteps coming closer for about 15 seconds before the audio dropped to total silence for a few seconds, then a narrator (James Earl Jones-style) said the motto, and the woman said the bit about the free fries, followed by another 5 seconds of silence while she kept smiling; but the smile was cracking, fading, her face muscles unable or unwilling to hold the pose until they suddenly dropped into a look of terror right as the commercial ended.

The 80's were weird, bro