And, more importantly, when advertising seemed to matter more, when it seemed to reflect and interpret the national psyche on a more visceral level.
What's fascinating about the two campaigns discussed in the article: Clairol's "Only Her Hairdresser Knows For Sure" and L'Oreal's "Because I'm Worth It" is how quaint and naive they now seem, both strategically and tonally. Gladwell's a great writer though, and the article is well worth the 15 minutes or so it'll take you to get through it.
*Particularly noteworthy, given the recent death of the legendary Diane Rothschild.