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Pop culture is always a step behind the real cutting-edge culture that defines what's cool in the current zeitgeist. And mass media advertising, with its drive for universal appeal, is generally made from an even weaker brew than pop culture. What that means for us is that these ads from the 1950s and 60s—which lack not only today's sense of political correctness, but also their own era's sense of cool—are an entertaining lens through which to view the age of beatniks and free love. Groove your way to the hippie party with a 1969 stereo in your new General Motors automobile! Six classic examples [via Flickr/ Coudal], after the jump.

This image was lost some time after publication.
This image was lost some time after publication.
This image was lost some time after publication.
This image was lost some time after publication.
This image was lost some time after publication.
This image was lost some time after publication.