Women in Advertising: Then and Now
US advertising agency The Ludlow Group posted a great comparison of sexist vintage advertising to current ads that still have a long way to go.
THEN:

Does acknowledging that you’re being sexist make it more okay? Or is it just a cop-out to continue using women’s bodies to sell products?
See The Ludlow Blog for more examples from the past and present Sexism In Ads: Then And Now.