Even though she starts with a "Webster's Dictionary defines...", this author's intriguing perspective of pinups being just as capable of being feminist as films, music, and other male-dominated (both in production and consumption) art forms. They are about exaggeration, usually of sexuality or femininity, neither of which are anti-feminist notions, whatever the pinups original intent. She also maintains that it differs from piece to piece and many subversive pinups can be easily found.
A law blog (not by Bob Loblaw) quotes various sources seeing modern pinups as emblematic of third-wave feminists embracing their sexuality and pinups old and new as a celebration of female beauty, regardless of cultural context.
Examination of a controversial recent Bic razor ad that was pulled in Canada due to petitioning. Author maintains that doing so was unnecessary since this isn't the you can be sexy without being a sex object, and vintage is in.