In the 70's these ads were everywhere. Mostly I'd see them in the TV Guide we used to get every week (usually on the back cover), but also in mags and even as posters on the sides of the stores that sold cigs. They really used Women's Lib to their advantage on these ads, although, come to think of it, none of the women in our family ever smoked Virginia Slims. Mom was a marlboro gal, my aunts smoked some other brand, Gram was a Winston chick, and our next door neighbor loved her Camel non-filters (yuck). Nevertheless, this was probably one of the most successful ad campaigns of all time.
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