The document discusses the feminist approach to analyzing portrayals of women in advertising over time. It provides context on the waves of feminism and the goals of each wave. It also summarizes several studies that analyzed the shifting depictions of women in magazines from the 1950s to 2000s, noting that while women have more roles today, sexism and objectification still exist. The document also discusses how some feminist magazines and campaigns challenged sexist advertising and promoted alternative portrayals of women.